What is the role of natural selection in evolution?

Answers

Answer 1

Answer: Natural selection is how species evolve by adapting to their environment.

Related Questions

A dependent variable isa. directly changed by the experimenter. b. manipulated by changes to the independent variable. c. a variable that is kept constant. d. a variable that is used as a control
DNA is a type of _______ that contains the genetic instructions of an organism's development and functioning.A. lipidB. nucleic acidC. carbohydrateD. protein
Hemophilia is an X-linked recessive disorder (Xh) that is passed through generations and can be traced by using a pedigree. How high or low is the probabilty that a female child of Charles and Marie would suffer from hemophilia? A. 0 percent B. 25 percent C. 50 percent D. 100 percent
Natural selection would favor which of the these rabbits in Antarctica? A) brown rabbit B) white rabbit C) black rabbit D) white-and-black rabbit
Which best matches the description with the genetic material?

True or False:
Transmission of the nerve message within the neuron is electrical in nature.

Answers

false because the only thing that is electrical in nature is the sun

The answer is actually TRUE. I go to Keystone online school and took the quiz.

Scientific experiments often produce new scientific knowledge.What usually happens if a scientific experiment generates new knowledge that doesn't agree with an existing theory?
A.
Scientists choose whichever side seems to have the most followers.
B.
Science is abandoned as a way to generate knowledge.
C.
The new knowledge is used to reevaluate the theory.
D.
The new knowledge is ignored in favor of the old theory.

Answers

C.
The new knowledge is used to reevaluate the theory.

When newer information is found on something, the theory is changed and updated based on the more reliable info.

Answer:

B: The new knowledge is used to reevaluate the theory.

Explanation:

Explain two ways in which water helps maintain homeostasis in an oranisms body

Answers

By that the nephron control the amount of water in our blood so if the body has too much water the nephron extract water and when it losses too much water the nephron react to retain as much water as possible

Which term describes the chromosomal abnormality of having extra chromosomes?A.heterosomy
B.polysomy
C.haploidy
D.diploidy

Answers

The term that is used to refer to the condition wherein the organism has an extra chromosome than normal is polysomy. Thus, the answer to this item is letter B. Polysomy is found in many species including mammals, insects, plants, fungi, etc. In this condition, there may be two or more copies of chrosomes rather than two.

Presence of one extra chromosome is called as polysomy. It may occur due to chromosomal non disnjunction during meiosis. Many abnormalities occur in such cases, depending upon which chromosome is presnt in duplicates. It may cause mental r etardation, physical, developmental abnormalities, as well as social/psychiatric difficulties.

SCIENCE What causes earthquakes?

A.)the release of heat

B.)elastic rebound

C.)frictional heating

D.)the Richter scale

Answers

The answer is elastic rebound.

it should be A if im not mistaken

Using the diagram above, a key characteristic of aquatic dead zones is ________ and which activities is most directly related to the dead zones in the Gulf of Mexico just west of the Mississippi River? A) high concentration of dissolved oxygen, and extensive shrimp fishing
B) low concentration of dissolved oxygen, and farming in the Midwest
C) high concentration of nitric oxides and burning coal to generate electricity in the Northeast.
D) low concentration of dissolved phosphates an Barge traffic on the Mississippi River

Answers

C makes the most sense.

Sorry if I’m wrong

Other Questions

After the skin is cut and a capillary wall breaks, what's the first step in working to form a clot? A. A set of reactions are triggered. B. Thrombin causes sticky fibrin filaments to form the clot. C. The clot seals the area to prevent further blood loss. D. Platelets clump at the site.

Mid ocean ridges usually form where tectonic plates are.....

Which lists the correct order of evolutionary history?

Which of the following is a need of most plants? A. To release carbon dioxide to the environment. B. To take up oxygen from the environment. C. To release water through their leaves. D. To capture sunlight to perform photosynthesis.