Natural selection states that complex organisms evolved through random mutations alone. True or False?

Answers

Answer 1

Answer:

False.

Explanation:

This statement is false because organisms don't evolve - populations do. New gene variants (i.e., alleles) are produced by random mutation, and over the course of many generations, natural selection may favor advantageous variants, causing them to become more common in the population. However, because mutation rates are low relative to population growth in most species, mutation alone doesn't have much of an effect on evolution.


Related Questions

How are the molecules in photosynthesis and cellular respiration similar? Please include descriptions of the molecules

Answers

Answer:

They are similar because they both produce energy but in two different forms.

Photosynthesis- It produces oxygen and G3P, simple carbohydrate molecules that are high in energy and can be converted into glucose, sucrose, or other sugar molecules.

cellular respiration-During cellular respiration, a glucose molecule is gradually broken down into carbon dioxide and water.

They exhibit the same responses, but they do so in reverse. Carbon dioxide and water are converted during photosynthesis into glucose and oxygen. Carbon dioxide and water are produced during respiration in exchange for glucose and oxygen.

What similarity in photosynthesis and cellular respiration?

Energy transformations from one form to another are a part of both respiration and photosynthesis through a sequence of metabolic reactions.

The reactions that are carried out by both processes—which both use and produce ATP—are carried out on membranes and are managed by enzymes.

Light energy is converted by photosynthesis into chemical energy that is stored in glucose, which is then released by cellular respiration to create ATP, the life-sustaining compound.

Therefore, They are similar because they both produce energy, but in two different forms.

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Which of the following is true of living things that have prokaryotic cells when compared to living things that have eukaryotic cells?
They have many types of organelles.
They are types of plants.
O They are always larger than eukaryotic organisms.
They are always unicellular.

Answers

Answer:

the answer is the last one, they are always unicellular

Explanation:

what are the different types of waste? and what are the methods used in biodegrable waste managment​

Answers

Answer:

liquid waste , solid waste,harzadious waste,recyclable rubbish and organic waste

Match each hormone to its function
•luteinizing hormone
•testosterone
•oxytocin
•follicle-stimulating hormone
•estrogen
•gonadotropin-releasing hormone

Answers

Answer: Stimulates the contraction of the uterus during childbirth - OXYTOCIN

Stimulates sperm production and growth of ovarian follicles - FOLLICLE STIMULATING HORMONE

Initiates the Secretion of leutinizing hormone and follicle stimulating hormone - GONADOTROPIN RELEASING HORMONE

Initiates the development of secondary sex characteristics in females - ESTROGEN

Initiates the development of secondary sex characteristics in males - TESTOSTERONE

Initiates cell production of testosterone and estradiol by cells in the gonads - LUTEINIZING HORMONE.

The correct match for hormone and their functions are- 1- Oxytocin, 2- follicle-stimulating hormone, 3- a gonadotropin-releasing hormone, 4- estrogen, 5- testosterone, and 6- luteinizing hormone.

Oxytocin is a naturally occurring hormone that plays a vital role in the reproductive system of both men and women, including labor, delivery, and breastfeeding, as well as in human behavior.

FSH is produced by the pituitary, which is a small gland just below the brain. The pituitary plays a vital role in the development and regulation of sexual function.

Gonadotropin-releasing hormone stimulates the brain’s pituitary gland to produce and release the hormones LH and FSH.

Estrogen is a family of hormones that play a vital role in the reproductive and sexual development of women.

Testosterone is a male sex hormone. It is responsible for spermatogenesis and fertility in males.

Luteinizing hormones (LH) are hormones in the body that stimulate the reproductive system. Luteinizing hormone stimulates ovulation and stimulates the production of the hormones needed for pregnancy

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Which of the following is not used to hold liquids?
a.
flask
b.
graduated cylinder
c.
balance
d.
test tube

Answers

Answer:

C. balance

This is because it is because a balance is an even distribution of weight hence balance is not used to hold the liquid instead a balance is used to weigh the liquid

Answer:

c. balance

Explanation:

Which of the following California animals is found in both marshlands and grasslands?

Answers

Answer:

pronghorn antelope.giant kangaroo rats.gophers.mule deer.

If Sammi had more time or better resources, how could she improve her model to eliminate some of the weaknesses?

Answers

Answer:

She could use more materials to replicate the entire digestive system instead of the small intestine only. Maybe use some better material than cardboard to represent the villi lining. She could also use more capillaries to make it more realistic.

Explanation:

answer for plato activity, your welcome :)

Answer: She may utilize additional materials to duplicate the full digestive system instead of the small intestine only. Maybe use some better material than cardboard to represent the villi lining. She could also use more capillaries to make it more realistic.

Explanation:

pls answer this for me guys

Answers

Answer:

C

Explanation:

i guess it's C

PEOPLE IF YOU DONT KNOW THE ANSWER DONT EVEN TRY TO SAY '' I WISH I CAN HELP DUT IDK THE ANSWER" Write true if the statement is true or false if the statement is false. _____ 1. Earth’s diameter is longer through the poles than through the equator. _____ 2. Earth’s magnetic field extends several thousands of kilometers into space. _____ 3. Earth’s axis of rotation passes through the north and south poles. _____ 4. One complete rotation of Earth requires a little more than 24 hours. _____ 5. A swinging pendulum appears to change direction because of Earth’s revolution. _____ 6. Earth’s speed of rotation is greatest at the equator. _____ 7. Earth has seasons because its orbit around the sun is elliptical. _____ 8. Earth travels about 150 million kilometers during one revolution. _____ 9. Earth revolves around the sun at a constant speed. _____ 10. Earth’s axis is tilted 23 ½ degrees relative to a line drawn perpendicular to the equator.

Answers

Answer: 1. Earth’s diameter is longer through the poles than through the equator. False 2. Earth’s magnetic field extends several thousands of kilometers into space. True 3. Earth’s axis of rotation passes through the north and south poles. False 4. One complete rotation of Earth requires a little more than 24 hours. False 5. A swinging pendulum appears to change direction because of Earth’s revolution. False 6. Earth’s speed of rotation is greatest at the equator. True 7. Earth has seasons because its orbit around the sun is elliptical. False 8. Earth travels about 150 million kilometers during one revolution. False 9. Earth revolves around the sun at a constant speed. False 10. Earth’s axis is tilted 23 ½ degrees relative to a line drawn perpendicular to the equator. True

Explanation:

Which of the following represents a tragedy of the commons?
Plastic trash in the neighborhood park
Two hospitals for the town's residents Trash pile in a person's backyard
Not enough fruit at a local market​

Answers

Tragedy is when a person feels distress due to some event or something. There can be various tragedies a person might face in his life.

In a persons life tragedy might represent an event which causes an unhappy feeling or emotional distress.

This also represent a situation which every one wants to avoid, no one welcomes a tragic event with happiness or joy.

The most annoying tragedy is a trash pile which is stinking in the backyard. A person will have to remove the pile so that the there is less pollution.

The correct answer is Trash pile in a person's backyard.

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Answer:

it is Plastic trash in the neighborhood park

Explanation:

tragity of the colloms means a problem in which every individual has an incentive to consume a shared resource, but at the expense of every other individual, depleting or spoiling the shared resource by their collective actions. SOO YEA SORRY ABT THAT OTHER GUY >:)

What does the formula below represent? CO2 + H20 → C6 H12 06+02

Answers

Answer:

Photosynthesis

Explanation:



The leading strand runs in a
direction and is replicated
A. 5' to 3', continuously
B.5' to 3', discontinuously
C. 3' to 5', continuously
D. 3 to 5', discontinuously

Answers

Answer:

option C is correct that is 3` to 5` continuously

Explanation:

when replication begins the two parent DNA strand  are separated one of this is called leading strand and is replicated continuously in the 3` to 5` direction the other strand is lagging strand and is replicated discontinuously in short sections

Earthquakes sometimes occur when
. Some underwater earthquakes shake the ocean floor and cause large sea waves that destroy property and threaten lives. Such a sea wave is called
.

Answers

Answer:

A Tsunami

Explanation:

Answer:

Earthquakes sometimes occur when a divergent boundary abruptly reverses roles to become a convergent boundary. Some underwater eartquakes shake the ocean floor and cause large sea waves that destroy property and threaten lives. Such a sea wave is called a tsunami.

Explanation:

PLATO

2. Explain the factors that led Wilson to the idea of (a) studying small islets, (b) fumigating them, and (c) observing the recolonization of species.

Answers

Answer and Explanation:

The ecologists MacArthur and Wilson took the term island biogeography theory to refer to the predictions about the number of species that could be inhabiting on an island.  

Island biogeography theory establishes that the two factors that affect species richness in natural communities on an island are the distance from the mainland and the size of the island.  

At the same time, these factors affect inmigration and extinction rates. According to the theory, islands that are closer to the continent have higher possibilities of receiving immigrants than those islands that are located farther from the mainland. This is the effect of distance.  

The effect of size is reflected in the relation between island size and species diversity. In smaller islands, the probability of extinction is higher than in bigger islands. Bigger islands can have more species than smaller ones.  

In the case of two islands of the same size and different distance to the mainland, both of them will have the same extinction rate, but the one closer to the continent will have a higher immigration rate, and so, a higher amount of species. The S value will be higher on the island closer to the continent.

Experiment:

To prove that the observations about the species richness and its relation to island size and distance to the continent were not a casualty, manipulation experiments were developed. These experiments helped to prove how the colonization process take place from cero. To observe the entire process of ecological succession and the tendencies proposed by the island biogeography theory Wilson and Simberloff (1970) eliminated the fauna on some islands to observe how they were recolonized from the continent. They fumigated the mangler island and studied these islands to account for the variation in arthropod richness over time. They studied many islands classified by distance. On each island, the richness increased at different rates.  The island closest to the continent received more immigrants and is colonized faster than the other ones, reaching its original richness faster. The farthest island was recolonized but at a much lower rate and it does not reach equilibrium while the study was going on. Although, it was expected to reach equilibrium with time.  

easy biology question below first correct answer gets brainliest

Answers

Answer:

Vestigial in that sense that the organ seemingly has no functions or useless now but they might have functions previously which are lost someway due to evolution. ... The human appendix may be considered as a vestigial organ as it has been proved that the removal of the organ after infancy does not create any harm

Explanation:

Which of the following describes the most likely way in which two water molecules will interact?

A. A covalent bond will form between the hydrogen of one water molecule and the oxygen of the other water molecule.

B. An ionic bond will form between the oxygens in each water molecule.

C. A metallic bond will form between the hydrogens in each water molecule.

D. A hydrogen bond will form between the hydrogen atom of one water molecule and the oxygen atom of the other water molecule.

Answers

Answer:

D. A hydrogen bond will form between the hydrogen atom of one water molecule and the oxygen atom of the other water molecule.

Explanation:

The most likely way in which two water molecules will interact is a hydrogen bond will form between the hydrogen atom of one water molecule and the oxygen atom of the other water molecule. Therefore, option (D) is the required answer.

an antibiotic is a type of medication that cures infectious diseases. why does the word antibiotic suggest that these medications would be ineffective against viruses?​

Answers

Answer:

An antibiotic treats bacterial infections, not viral ones. For viruses, you would take antiviral medications.

what is plasmolysis?​

Answers

Answer:

plasmolysis is the process of shrinkage or contraction of the protoplasm of plant cell as. result of loss of water from the cell.

Answer:

Plasmolysis is defined as the process of contraction or shrinkage of the protoplasm of a plant cell and is caused due to the loss of water in the cell. Plasmolysis is an example of the results of osmosis and rarely occurs in nature.

The word Plasmolysis was generally derived from a Latin and Greek word plasma – The mould and lusis meaning loosening.

Explanation:

Answer from Gauth math


lol anyone?

the weather calls for icy roads to the city scatter salt in the road. explain how this may affect plants that are next to the road?​

Answers

Explanation:

A common way to clear icy roads is to apply a layer of salt, which lowers the freezing temperature of water and melts the ice.

what cell structure helps the cell stay flexible and maintain homeostasis?

Answers

Answer:

The cell membrane.

Explanation

I hope this helps you.

Classify the events according to the gas they primarily contribute to the atmosphere.

Answers

#1 goes to methane, #2 goes to oxygen,#3 goes to carbon dioxide,#4 goes to carbon dioxide. make sure you double check.

Explanation:

A plant can produce oxygen sufficient for the consumption of four people whereas carbon dioxide absorbed by the plant is more than forty-eight pounds. The total release of carbon dioxide by livestock is 15 % of the greenhouse gas production whereas methane production is 155-264 pounds. When a forest fire happens it releases a massive amount of carbon dioxide which is around 1.8 million tons.

What are greenhouse gases?

Greenhouse gases are gases such as methane, carbon dioxide, CFCs, and HFCs. They have impacted the atmosphere negatively. The concentration of these gases is highly rising in the atmosphere at an alarming rate. These gases trap the heat of the sun and do not leak out.

Therefore, the emission of greenhouse gases should be monitored.

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What protective items should you wear when using benedicts solution?

Answers

Answer:

Hey there!

You should wear gloves and safety goggles when using benedicts solution.

Let me know if this helps :)

Vanessa attempts to freeze liquid mercury. Which statements describe particle arrangement and motion that occur in mercury?

Answers

Answer:

Volume of mercury decreases due to close arrangement of particles.

Explanation:

When we freeze liquid mercury, its volume decreases and density increases from from 13.69 g/cm3 to 14.184 g/cm3 and form a solid mercury. The motion of particles stop when we freezes liquid mercury and the particles settles into a stable arrangement. If we cool the liquid mercury and the temperature reaches to -38.83 °C, then it converts from liquid into solid substance.

3. What are the consequences of felling of trees?​

Answers

Answer:

The loss of trees and other vegetation can cause climate change, desertification, soil erosion, fewer crops, flooding, increased greenhouse gases in the atmosphere, and a host of problems for indigenous people.

Explanation:

Plants are autotrophs because they can prepare their own food. Photosynthesis takes place in leaves. Leaves contain that allow for the exchange of gases during the process, and also help with the process of

Answers

Leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

What is photosynthesis?

Photosynthesis is the process by which green plants manufacture their own food in the presence of sunlight.

Factors that affects photosynthesis are:

Presence of sunlightStomata, which controls the rate of gas exchange in plant

Thus, leaves contain stomata that allow for the exchange of gases during the process, and also help with the process of transpiration.

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Answer:

Stomata and Transpiration on edmentum

Explanation:

Which of the following represents a mutualistic relationship?
1 point
Both organisms benefit
Both organisms do not benefit
One benefits and the other is unchanged
One benefits and the other is harmed

Answers

Answer: both organisms benefit

Explanation: mutualistic means that it is beneficial to both organisms involved

Hope that helped :)
Answer: Both organanisums benefit each other.
Explanation: Think of it as a business deal.If both the organisms give each other vital needs to survive,then we call that a mutual relationship. Example: rhizobium gives plant converted nitrogen and the plant give the bacteria the food water etc.


State one reason why soil organisms need air

Answers

Answer:

To release plants nutrition's to soil .

I HOPE I HELP YOU.

Have a great day .

:D

In human body where is liver located

Answers

The liver is your largest internal organ. About the size of a football, it's located mainly in the upper right portion of your abdomen — beneath the diaphragm and above your stomach — but a small portion extends into the upper left quadrant.

Answer:

The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm, and on top of the stomach, right kidney, and intestines. Shaped like a cone, the liver is a dark reddish-brown organ that weighs about 3 pounds.

Explanation:

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When the Earth's rotation naturally brings water away from the

equator and moves cold water close to the surface Westerly

winds begin to strengthen again. What does this signal?

O A. The midpoint of the Coriolis Cycle

O

B. The beginning of El Nino

O c. The end of El Nino

OD. The beginning of an Ice Age

Answers

the midpoint of the Coriolis cycle

In your own words, describe the role of the scientific method in scientific investigation.

Answers

The role of the scientific method would be to test your hypothesis

The scientific method serves as a structured framework for conducting scientific investigations.

How does the scientific method shape investigative processes?

The scientific method involves a series of steps, starting with observation and formulation of a research question. Researchers then formulate hypotheses, educated guesses about the outcomes of their experiments.

These hypotheses are tested through carefully designed experiments, allowing for the collection of empirical data. The collected data is then analyzed to draw meaningful conclusions. The scientific method promotes objectivity, consistency, and reproducibility in research, enabling scientists to build upon existing knowledge and refine their understanding of the natural world.

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