Seeds of sun-loving plants will germinate and grow in it.
Gap dynamics in forestsForests generally have different layers of trees. Thus, the ground layer of forests is usually barren or dominated by a few shade-tolerant plant species.
When gaps emerge in an otherwise close canopy either naturally or by other means, the dynamics of plant population on the ground layer change.
If the ground layer is barren before due to shade, propagules of sun-loving plant species will colonize and begin to germinate in the gaps. If the layer has some shade-tolerant herbs before, competition for space starts between the sun-loving and shade-tolerant species.
With time, the shade-tolerant species die off and are replaced by sun-loving plant species.
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Answer: Seeds of sun-loving plants will germinate and grow in it.
Explanation:
pretty simple
more sun= more sun
plants who need more sun will grow more
plants who need more shade wont do as well hence the name
primary sucession has nothing to do with this
no plants will grow isnt true cuz it literally says there is more sun and there is more space
just use process of elimination
Why is Baraminology not a perfect system
Systematics is based on data while baraminology is based on worldview. According to evolutionary theory, a derived trait can lead to a completely new type of animal. There is no place for genetics in baraminology. Baraminology uses both genetics and physical features to classify organisms.
need help with this in bio lol
Answer:
[tex]\huge\boxed{\sf Possibility = 1/4}[/tex]
Explanation:
Let the dominant orange fur be denoted by F and the recessive white fur by denoted by f.
So, two heterozygous tigers (Ff) mate with eachother.
Ff x FfIf we make a Punnett Square of this cross, we will have the possibility of having 4 offspring.
Homozygous Dominant (FF)Heterozygous Dominant (Ff)Heterozygous Dominant (Ff)Homozygous Recessive (ff)The offspring in which recessive trait will be visible will be ff, which means only 1 offspring among the 4 offspring will have white fur.
Possibility = 1/4
[tex]\rule[225]{225}{2}[/tex]
Peptidoglycan in the bacterial cell envelope is an ideal target for antibiotics because ______.
Since antibiotics prevent bacterial growth and replication by interfering with the bacterial cell wall, peptidoglycan in the bacterial cell envelope makes a perfect target for them.
One of the antibiotics that attack the bacterial cell wall in order to work is penicillin. The drugs specifically prevent the bacteria from forming peptidoglycan, a substance that provides their cell walls the tenacity they require to survive inside of humans. Simply put, many antibiotics, including vancomycin, which like beta-lactam antibiotics targets the peptidoglycan in the cell wall, are ineffective against Gram-negative bacteria because they do not possess the molecular characteristics required to effectively use these pathways to breach the outer membrane.learn more about Peptidoglycan here: https://brainly.com/question/24180542
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Bioaccumulation refers to toxic substances at levels above what would be normally expected.
a. true
b. false
According to the research, the statement is true, Bioaccumulation refers to toxic substances at levels above what would be normally expected.
What is Bioaccumulation?It is a process that takes place in living beings and that implies that these organisms accumulate chemical substances until they reach a higher concentration than those existing in the environment that can be generated through biotic or abiotic resources.
That is, it is the accumulation of a toxic substance that persists over time at levels above what would be normally expected, acquired by the organism through the ingestion of other organisms or through contact with the environment.
Therefore, we can conclude that according to the research, Bioaccumulation refers to toxic substances at levels above what would be normally expected.
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QUICKLY GUYS
A tree enters the early stages of reproduction during the early spring months when it blooms. What stage of its life cycle is it in?
Answer:
the answer is sprout btw i took this test it said its correct
what is organ donation?
[tex] \: [/tex]
Organ donation is nothing but the process by which the person donates his/her organ to other person to save the life of a him/her.
Answer:Organ donation is when a person gives a organ of their own to be removed and given to another person.
Explanation:
What is an Electrocardiogram used for?
A. To create mechanical replacement hearts.
B. To diagnose problems with the body’s electrical current capacity.
C. To write computer programs that mimic the activity of the heart.
D. To diagnose problems with the heart.
Answer:
To diagnose problems with the heart
Answer: The answer is to diagnose problems with the heart.
Explanation: An electrocardiogram is a display of a person's heart electrical activity. It is used to detect heart problems.
The Scyphozoans are commonly found in Florida and hang upside down in the water with their tentacles pointed towards the
Scyphozoans True jellies, members of the phylum Cnidaria, are frequently observed in Florida and hang upside down in the water with their tentacles pointing upward. They do this to illuminate the photosynthetic dinoflagellates that are stored within their bodies.
The majority of Scyphozoa species have two distinct life cycles: the planktonic medusa or jellyfish form, which is most noticeable during the warm summer months, and a less noticeable but more persistent bottom-dwelling polyp that periodically produces new medusae. Scyphozoa make up the majority of the enormous, frequently colorful, and noticeable jellyfish that may be seen in coastal areas all over the world.
Scyphozoans lack any lasting hard elements, such as a head, a skeleton, or specialized respiratory or excretory organs. Since marine jellyfish are up to 98 percent water, they are rarely discovered in fossil form.
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Which can serve as substrates for atp production?
Answer:
A molecule containing readily 'detachable' phosphate group, an inorganic phosphate, and ADP.
Explanation:
For substrate-level phosphorylation, take glycolysis as an example. Phosphoenolpyruvate has a readily 'detachable phosphate', which with the help of Pyruvate Kinase, is able to be 'attached' to ADP. Both Phosphoenolpyruvate and ADP act as substrates.
For oxidative phosphorylation, take ATP synthase as an example. Due to the proton motive force, the 'motor' of the enzyme allows the knob to spin, changing affinities for ADP, Pi (inorganic phosphate), and ATP. Thus, to produce ATP, ADP and Pi are required as substrates.
In all, a molecule containing readily 'detachable' phosphate group, an inorganic phosphate, and ADP can serve as substrates for ATP production.
. When performing a cross with a Punnett square, the letter you write across the top and down the side of the square represent the possible ______________ the parents can pass to offspring carried on __________ chromosomes.
Genotype of one parent on top and other parent on side
Organisms inherit genetic material from their parents in the form of homologous chromosomes, containing a unique combination of DNA sequences that code for genes.
What is a Punnet square ?The Punnett square is a square diagram that is used to predict the genotypes of a particular cross or breeding experiment.
It is named after Reginald C. Punnett, who devised the approach in 1905. The diagram is used by biologists to determine the probability of an offspring having a particular genotypeTo prepare a Punnett square, all possible combinations of the parental alleles are listed along the top (for one parent) and side (for the other parent) of a grid, representing their meiotic segregation into haploid gametes.Learn more about Punnet square here:
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Which of the following describes way that humans decrease biodiversity?
1. We encroach on habitat.
II. We poach wild animals.
III. We use food resources faster than native species.
OI, II, and III
OI and III
OII and III
Oll only
Answer:
I, II and III
Explanation:
I believe that all the options given are ways in which humans decrease biodiversity.
Hope it helps!
Have a nice day:)
Answer: 1 2 and 3! no ca
Explanation:
What do both the set point hypothesis and the settling point hypothesis seek to explain?
Both the set point hypothesis and the settling point hypothesis seek to explain how multiple, interacting factors determine body weight.
What is a hypothesis?A hypothesis is a statement defining the relation between two or multiple variables that has to be tested to find the truth of the relationship.A good hypothesis should be precise, given as a statement, should be able to be tested, contains at least two variables.According to set point hypothesis, our DNA contains baseline information about our body weight. The change of our body weight from a specific set point given in the DNA is limited. Each body has its specific set point and tries to stay in that range.Settling point hypothesis also determines how our body controls weight, According to this hypothesis; our weight is maintained by the feedbacks which are controlled by specific genes present in the DNA.Learn more about hypothesis here:
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In eukaryotic cells, the cell cycle is divided into two main phases in which the cell spends most of its time and metabolic energy. these two phases are?
Interphase and mitosis are the two main phases of the eukaryotic cell cycle where the cells spends most of time as well as as its metabolic energy.
The cell cycle involves the different stages which a cell goes through as it grows and divides in order to form new cells. Cell cycle requires metabolic energy as well as the availability of nutrients. In eukaryotes, this cycle is basically divided into interphase and mitosis.
The interphase can be subdivided into G1, S and G2 phases. The cell spends most of its time in this stage. It involves the duplication of the nuclear DNA which is present in the cell and during this stage the cell grows in size. No division of the cell takes place during interphase. This stage is succeeded by mitosis. This stage involves the division of the cell, that is, the single eukaryotic cell divides and results in the formation of two daughter cells which are genetically identical to their parent cell.
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Transradial arterial access for coronary and peripheral procedures: executive summary by the Transradial Committee of the SCAI.
The Society for Coronary angiography and Interventions recently established a Transradial Committee with the aim of examining the utility, utilization, and training considerations related to transradial access for percutaneous coronary and peripheral procedures in response to growing interest in the United States. The committee has put together a thorough review of this topic with worldwide collaboration, which is provided below.
what is Transradial access?
Transradial access (TRA) is the preferred method for coronary angiography and percutaneous coronary intervention (PCI) because it has a lower risk of bleeding and vascular complications than transfemoral access (TFA), improves patient satisfaction, and has a lower mortality rate in patients presenting with ST-segment abnormalities.
summary by the transradial committee.
It is becoming more and more common in all types of arterial vascular treatments to use transradial access (TRA) through the left radial artery as an alternative to the more conventional transfemoral approach. When compared to conventional femoral access while preserving efficacy, TRA has been shown to offer various advantages (such as fewer complication rates, lower cost, and enhanced patient comfort during and after the surgery). TRA was first researched in the field of cardiology. This article gives a thorough overview of the technical components of radial access while combining more recent data to explain patient preference for TRA as well as the ways that TRA can enhance peri-procedure efficiency and compensation. Additionally, it discusses possible side effects such radial artery spasm, challenging anatomical variations, and radial artery blockage.
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which of the follwing is evolutionary evidence that whales and dolphins descended from land dwelling mammals'
Transition fossils show the presence of leglike structures, pointing to the possibility that the ancestors of whale and dolphins once lived on land.
The cetaceans, which include whales, dolphins, and porpoises, are descended from land-dwelling mammals. Traces of their terrestrial ancestry can still be seen in the bones of their fins, which resemble enormous, jointed hands, in their vertical spine movement, and in the fact that they must breathe air from the surface.What is evidence that whales evolved from land mammals?
There are several indications from a whale's anatomy and biology indicating they originated on land. They have paddle-shaped flippers that house hand bones with five "fingers," breathe air, and nurse their young with their own milk. Whales have tiny back limbs as embryos, but these vanish before birth.Learn more about dwelling mammals
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A family took their newborn to the doctor. They were worried something was wrong because the baby seemed to be in constant pain. After medical tests revealed the baby had large amounts of lactic acid accumulating in his muscle cells, doctors diagnosed the child with a rare disease in which mitochondria are missing from skeletal muscle cells. How might the lack of mitochondria explain the large amounts of lactic acid in the baby's muscle cells
Mitochondria help in the complete metabolism of sugar to produce energy in the cell (ATP). Mitochondria is the powerhouse of the cell.
Glycolysis is the first step in the metabolism of glucose. By the process of glycolysis, glucose is converted to pyruvate with the generation of ATP and NADH. The pyruvate is then converted to acetyl CoA by the pyruvate dehydrogenase complex which then enters the TCA cycle. The NADH FADH2 generated by Glycolysis and TCA cycle donate their electrons to the electron transport chain which in turn helps in the generation of ATP. Both the TCA cycle and the Electron transport chain take place within the mitochondria. In the absence of mitochondria, NAD+ and FAD are regenerated by fermentation.
In the process of converting 3-carbon pyruvate to 3-carbon lactic acid (C3H6O3), lactic acid fermentation also regenerates NAD+, which enables glycolysis to continue producing ATP in the absence of mitochondria. This leads to the accumulation of lactic acid in muscle cells.
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The region of supply of food is called
A) Source B) Munch C) Sink D) Area of utilization
Answer:
Answer is Area of utilization
Explanation:
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Aseries of images displayed in sequence to create the illusion of movement is called ______________ .
Animation is the answer.
Animation is a method of manipulating a character and displaying it as a video. In traditional animation, you would draw or draw an image by hand on a transparent celluloid sheet, take a picture, or display it on film. Today, most animations are created using computer-generated images.
Animation is the quick display of a series of images to create the illusion of movement. The most common way to present an animation is as a movie film or video program. Simply put, animation brings our imagination to life.
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From its origin at the ileocecal junction to its termination at the anus, the large intestine has an approximate length of ______ feet and a diameter of ______ inches.
From its origin at the ileocecal junction to its termination at the anus, the large intestine has an approximate length of 4.92 feet and a diameter of 2.55 inches.
What does the large intestine absorb?The main function of the large intestine is to absorb ingested water and that from digestive secretions, such as saliva that joins food during its passage through the digestive tract. In addition to absorption, the large intestine is also responsible for the storage and elimination of fecal mass.
With this information, we can conclude that The large intestine is the final part of the digestive tract, it is about 1.5 m long.
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The contraction of striated muscle is initiated by the release of energy in the presence of:
a) Acetyl Choline
b) Chloride Ion
c) Calcium Ion
d) Iron
The contraction of striated muscle is initiated by the release of energy in the presence of calcium ion
What is a muscle?A muscle can be defined as soft and band of fibrous tissue in a human or animal body that has the ability to contract to produce movements of the body parts
I'm conclusion, the contraction of striated muscle is initiated by the release of energy in the presence of calcium ion
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Which substance is administered to suppress inflammation and as an immunosuppressant?
The Cortisone substance is administered to suppress inflammation and as an immunosuppressant.
In controlling inflammation, the major effect of corticosteroids is to inhibit the synthesis of multiple inflammatory proteins through suppression of the genes that encode them.
Cortisone is a type of medication called a corticosteroid. Doctors use these drugs to treat inflammation (swelling) caused by injury and illness. Sometimes cortisone shots are called corticosteroid shots.
Corticosteroids are a fast-acting class of drugs that can reduce inflammation and overactive immune system responses. Corticosteroids bind to the glucocorticoid receptor, inhibiting pro-inflammatory signals, and promoting anti-inflammatory signals. The duration of action is moderate as it is generally given once daily.
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Scientists discovered a regular cycle of eclipses. It is called the Saros cycle. The table below
shows the dates of some eclipses in this cycle.
Complete the table by predicting the date of the next eclipse in the Saros cycle.
The next eclipse in the Saros cycle will be at 22nd of August 2017.
What is an eclipse?
Eclipse is an astronomical phenomenon marked by the total or partial darkening of a star due to the passage of some celestial body in front of a light source. There are two categories of eclipse: the solar eclipse and the lunar eclipse.
With that being said it is possible to notice that all eclipses are happening with an interval of 18 years. So as the last eclipse was in 1999, the next one will be in 2017. As for the day, it is possible to notice that they are happening 11 days after the last one. So as the last one was in 11th of August, the next one will be in 22nd of August.
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the researchers chose to determine co-culture all samples in the presence of interleukin-5 a cytokine. what is the most likely reason for this decision
Interleukin-5 can both promote the growth of B cells and eosinophils which are cleared when not exposed to IL-5.
What is Interleukin-5?Interleukin-5 (IL-5) is a cytokine that induces the growth of different immune cells including B cells and eosinophils.
In consequence, in this case. it is expected to observe the outcome (immune response) of immune cells in the presence of IL-5.
In conclusion, Interleukin-5 can both promote the growth of B cells and eosinophils which are cleared when not exposed to IL-5.
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Which layer has stem cells that undergo cell division to continually produce new keratinocytes?.
Answer:
The Basal layer
If a drug slows down central nervous system activity while increasing the activity of the main inhibitory neurotransmitter in the brain, then it is most likely to be a(n)
If a drug slows down central nervous system activity while increasing the activity of the main inhibitory neurotransmitter in the brain, then it is most likely to be a Depressant.
How do neurotransmitters work and what are they?Chemical messengers are called neurotransmitters to facilitate communication between nerve cells. Serotonin, dopamine, glutamate, and acetylcholine are a few of them. Numerous processes are controlled by neurotransmitters, including mood, sleep-wake cycles, and appetite.
DEPRESSANTSThese medications, which are sometimes known as "downers," are available as liquid or colored pills and capsules. As they are intended to lessen the symptoms of mental illness, some medications in this class, including Zyprexa, Seroquel, and Haldol, are referred to as "major tranquilizers" or "antipsychotics." Xanax, Klonopin, Halcion, and Librium are examples of depressants that are frequently referred to as "benzos" (short for benzodiazepines).
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What is the primary advantage of noneugenol periodontal surgical dressing over periodontal surgical dressing that does contain eugenol?
Some people may develop redness and burning discomfort in the vicinity of the bandage if they are allergic to eugenol.
In order to lower the danger of surgery site infection and bleeding, speed up wound healing, and lessen patients' pain and discomfort, periodontal dressings were devised.The ability of eugenol-based dressings to numb pain and make sites less sensitive made them popular in the past, especially after gingivectomy. Based on its antibacterial qualities, zinc oxide-eugenol dressings appeared to prevent or delay bacterial development. However, it was discovered that eugenol irritated oral mucosal tissues, caused allergic reactions, and caused tissue necrosis, especially in bone, which slowed the healing process. Thus, noneugenol periodontal surgical dressing are preferred.learn more about eugenol here: https://brainly.com/question/17092785
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Identify interactions among species, such as competition or predation.
Among the different types of species interactions, we can mention amensalism, commensalism, parasitism, mutualism, competition, and predation.
What are the possible interactions among species?
All organisms in nature interact with other organisms in different ways.
AmensalismRefers to a biological relationship established between two organisms, in which one of them avoids the growth, development, or survival of the other one.
In this interaction, one of the organisms seems to be strongly affected by the other one. Meanwhile, the other organism does not seem to be affected at all.
CommensalismIn this case, the fitness of only one of the species seems to increase, while the other species is not affected at all, nor positively or negatively.
The unaffected species might provide food or refuge to the other species, which is beneficiated.
ParasitismIn this case, one of the species is beneficiated, while the other suffers a consequence, reducing its fitness.
These interactions are mainly about nutrition, although there might be other benefits too.
Some parasite species might coexist with their host, while some others might get them ill to the point of causing death.
MutualismThe interaction is favorable for both species.
Their fitness increases with these interactions, although they do not need this relationship to survive.
The degree of benefits might vary among species or might be equal.
CompetitionThis is an ecological and evolutive process very common in nature.
Competition might be intra- or interspecific. Competition between different species in a community or ecosystem might be due to the same resource use.
Resources are the same food, territory, shelter, etcetera. When a resource is useful for two or more species, and limited, they compete to gain it.
One of the species is more competitive, so it is favored over the other species.
PredationIt refers to the interaction in which one species attacks, kills, and feeds on other species.
This definition excludes the detritivorous organisms, because in these last cases the organic matter is already dead.
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A properly maintained and certified Biological Safety Cabinet should be used for all open work with infectious materials in a research laboratory.
The major reason the biosafety cabinets are closed cabinets is that they are made to defend against germs.
When should biological safety cabinets be used?
As it filters both the inflow and exhaust air, a biological safety cabinet (BSC) is a fundamental engineering control used to safeguard employees from biohazardous or infectious agents and to help maintain quality control of the substance being worked with.
When working with biological agents that offer a minimum danger or harm to laboratory staff and the environment, biosafety level 1 is used. Without the use of proper containment tools, work with these kinds of agents is often done in open laboratory cabinets. The BSC's stainless steel inside can reflect potentially dangerous lighting out through the cabinet's opening. Never turn on the UV lamp while a worker is inside the cabinet.
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Assume that the length of wheat leaves is controlled by three loci, each with two alleles: L and l, W and w, H and h. Determine the differences in leaf length between two homozygous strains of wheat. Assume each allele contributes equally to the length of the plant leaves. One homozygous strain, ll ww hh, has leaves that are 100 mm in length, and the other strain, LL WW HH, has 220 mm leaves. The two homozygous strains are crossed, and the resulting F1 are selfed to produce F2 progeny. 1. What length will the leaves of the ll WW HH genotype plant be? 2. What proportion of the F2 progeny will have the same phenotype as the II WW HH genotype?
Polygenic heritability is the expression of a trait by many genes interaction. 1) 180mm. 2) 15/64
What is polygenic heritability?
Polygenic heritability occurs when a trait results from the interaction of many genes.
Individuals are grouped in categories that depend on how genes were intercrossed and distributed during meiosis.
In this example, there are three diallelic genes. We know that
all alleles add the same length to the leaves, the largest leaves are the homozygous dominant ones (AAWWLL⇒ 220mm), the shortest leaves are the homozygous recessive ones (aawwll⇒ 100mm).By looking at the difference between lengths (220 - 100 = 120mm), we might say each dominant allele adds 20 mm to the leaves (120mm/6alleles = 20mm).
Plants llWWHH have 4 dominant alleles, meaning their leaves' length is 180 mm.
Among the F2, 15/64 individuals are expected to have 180 mm leaves.
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Substance A is transported from the plasma of the peritubular capillary into the fluid of the renal tubule. Substance A is said to be __________.
The transport of substance A from peritubular capillary into the fluid of renal tubule is Tubular secretion.
What is Tubular secretion?
Tubular secretion is the phenomenon of transfer of materials from peritubular capillaries to fluid of renal tubule. It is basically a process of toxins removal from blood capillaries and tissues and their active secretion into the nephrons. The nephrons are surrounded by peritubular capillaries and the exchange between nephron and blood occurs via peritubular capillaries. The tubular secretion is most active in proximal convoluted tubule (PCT). Tubular secretion is an important parameter for measuring kidney function and excretion process. It also maintains the blood pH.
Hence, the substance A that is transported from plasma of peritubular capillary into fluid of reanl tubule is said to be secreted.
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