Answer:
The earliest life forms we know of were microscopic organisms (microbes) that left signals of their presence in rocks about 3.7 billion years old. The signals consisted of a type of carbon molecule that is produced by living things.
Explanation:
Virus that infect E.coli is called
Answer:
Escherichia virus T4 is a species of bacteriophages that infect Escherichia coli bacteria.
A. Form a new question that relates to the interaction of organisms in the ecosystem.
Answer:Predation, parasitism and herbivory are the three interactions which are found in different organisms of an ecosystem.
Lion is a predator which feed on flesh of other animals such as herbivores.
Explanation:
Take one hanger, and place a hanger on each of its ends as shown. If your hangers aren’t notched, wrap tape around the hooks to hold them in place. Does the system of hangers balance? Why or why not?
Answer:
Yes, They are balanced.
Explanation:
The top hanger is balanced while hanging one the closet bar. When you add another identical hanger to each side your are distributing the added weight equally. So, yes .... they are balanced.
Antibodies, lymphocytes, B
cells, and T cells are all a part
of which type of immune
system defense?
Answer:
A
Explanation:
specific immune defense system
please help me i’ll give brainlist!
give an example of a scientific investigation design with appropriate constants and variables
(IV and DV)
Answer:
An example of a scientific investigation design that uses independent variable and dependent variable in its design is a research that seek to find out the effect of two different fertilizers on the growth of a tuber crop (yam). The independent variable in this case is the type of fertilizer used while the dependent variable is the corresponding growth of the tuber crop. In a research set up, the independent variable is the variable that cause a change in the dependent variable.
Explanation:
Hope this helps
List one difference and one similarity between the reproduction processes
of a frog and a woman.
Appearance*In most frog species, the female is larger than the male, so frog size relative to a standard can be a good method of gender identification. In some species, the female frog is darker in color than the male, and in others, the male is darker.
Typically, frogs lay eggs. This process usually occurs through external fertilization, where the female releases her eggs from her body into water. Then, the male releases his sperm to fertilize them.In this case, the eggs are fertilized inside the female's body before they are released.why do hurricanes weaken when they hit land
Answer: Tropical cyclones usually weaken when they hit land, because they are no longer being "fed" by the energy from the warm ocean waters. However, they often move far inland, dumping many inches of rain and causing lots of wind damage before they die out completely.
Differences between bacteria and plants
Answer:
Main Difference – Plant Cell vs Bacterial Cell
Explanation:
The plant cell is a eukaryotic cell whereas the bacterial cell is a prokaryotic cell. The main difference between plant cell and bacterial cell is that plant cell contains membrane-bound organelles whereas bacterial cell lacks membrane-bound organelles.
Answer..
the intercrop can be planted in 6 ways
Answer:
Spatial Arrangement in Intercropping
In multiple cropping by intercropping, the intercrop can be planted in any of the following ways: (1) within the rows of the maincrop, (2) between the rows of the maincrop, and (3) in replacement series (Abellanosa AL, HM Pava.
The composition of a mineral represents its
A)size.
B)texture
C)hardness.
D)color.
Which of the following describes the impact on human health from global climate change?
Excess greenhouse gases will cause competition among vectors for hosts, and the vectors will die off.
Global climate change will result in the warming of cooler regions and will increase the spreading of disease.
Melting glaciers will keep regions too cold and prevent vectors from migrating to these regions.
Warmer climates will prevent vectors from traveling to new regions and infecting more humans.
Answer:
B - Global climate change will result in the warming of cooler regions and will increase the spreading of disease.
Global climate change will result in the warming of cooler regions and will increase the spreading of disease. Thus, the correct option is B.
What is global climate change?Global climate change is defined to as the average long-term changes over the entire Earth. These include warming temperatures and changes in precipitation, as well as the effects of Earth's warming, such as rising sea levels. Shrinking mountain glaciers.
Climatic change has become a global issue over the last few decades. Besides, these climatic changes affect life on the earth in various ways.
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process of diffusion
D
Question 15
2 pts
When a cross between 2 contrasting parents produces new phenotype, different from
either parents, we can conclude that that there is which of the following?
When a cross between 2 contrasting parents produces a new phenotype, it is known as incomplete dominance. In diploid (2n) organisms, individuals receive one allele or gene variant from each parent.
Heterozygous individuals carry different alleles for the same gene locus.
Incomplete dominance occurs when both alleles are expressed in heterozygous organisms.
The phenotype in cases of incomplete dominance is a mixture of the phenotype observed in both parents.
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HOW the muscular System interacts with the nervous system AND the skeletal system.
Answer:
Receptors in muscles provide the brain with information about body position and movement. The brain controls the contraction of skeletal muscle. The nervous system regulates the speed at which food moves through the digestive tract.
Cells use ------ to take in large molecules or other cells
Answer:
Active transport by endocytosis. there is your answer. Explanation :Phagocytosis is the process by which cells ingest large particles, including other cells, by enclosing the particles in an extension of the cell membrane and budding off a new vesicle. During pinocytosis, cells take in molecules such as water from the extracellular fluid.
Compare the location and size of the prepuce in the fetal pig and in the human
The prepuce is an anatomical covering for the sex organs and is an important, typical feature of the external genitalia in a pig.
Comparing the location of the prepuce - The prepuce is in the same location in fetal pigs as it is in humans.
Comparing their structures, this structure is much larger in humans than in the fetal pigs.
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What makes up the majority of the solid (non-pore) portion of the soil?
Answer:
In general, soil contains 40-45% inorganic matter, 5% organic matter, 25% water, and 25% air. In order to sustain plant life, the proper mix of air, water, minerals, and organic material is required. Humus, the organic material in soil, is composed of microorganisms (dead and alive) and decaying plants.
Explanation:
d. What do you like to do in the rain?
Igneous rock that forms from fava at or above Earth's surface:
a. organic rock
b. clastic rock
c. intrusive rock
d. extrusive rock
PLZ HELP
Answer:
Extrusive rock
Explanation:
there you go :)
What is different between the production of sperm cells and egg cells
Answer:
The most obvious difference: A sperm cell is a reproductive cell of males while egg cells are of females. Both egg cells and sperm cells depend on each other for the reproduction of a human life. Both egg cells and sperm cells undergo meiosis.
Explanation:
When you are getting too cold,
goosebumps and shivering leads to
heating of your body. Which type of
feedback loop is this?
А
a negative feedback loop
3
a positive feedback loop
Answer:
negative
Explanation:
Stuck on these 2 questions
Cancer is subject to evolution due to: Question 25 options: A) Gene flow B) Tumor cells experiencing a bottleneck event due to chemotherapy C) Natural selection and competition between cells of two different tumors D) Natural selection and competition between cells of the same tumor
During the Green Revolution pesticides
were
A. overused
B. all organic
C. used sparingly
D. all natural
Answer: A. overused
Explanation:
……….. are organic substances required in small quantities for our body
a. Minerals
c. trans fats
b. Vitamins
d. Amino acids
Answer:
your answer is B: Vitamins
Explanation:
In the ecosystem shown here, what represents a producer?
a tree
agate
a mountain
Answer: Tree
Explanation: Trees produce sap, nuts and fruits.
Select all the correct answers.
Which two generalizations can be made based on what you know about cycles of matter in a closed system?
New matter is added, and old matter is destroyed.
OO
Matter changes its physical form, allowing it to return to its original state.
The amount of matter within the system remains the same.
Matter and energy can cross the boundaries of the system.
The cycle has a well-defined starting and stopping point.
Reset
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Answer:
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How many of the 8 actions mentioned in the May 7, 1933 Fireside Address provided jobs for unemployed people?
Answer:
1 quarter of a million especially young men who have dependents to go into the forestry and flood prevention work.
What food can cat eat?
What food can cat can not eat?
(If you are a cat owner please let me know thax)
Owned a few cats throughout my life
Theres a few things they can't eat which i think is easier to say than what they can eat so ill give a list. Most of these things are similar to dogs so that might be helpful
OnionsGarlicChocolateAnything drink with caffeineDairy Products (they can have a little bit of milk if not a kitten but only a little bc they can't digest it very well)Grapes and RaisinsAlcoholRaw doughRaw meatRaw EggsMost of these are super toxic to cats but some only give things like diarrhea.