Question

Question Number 1:

Consider the following scenario:

You are a scientist observing rodents on the Galapagos Islands. You notice that the introduction of new bird of prey has limited the number of rodents.

What term best describes the factor that is limiting the number of rodents the environment can support?

A. selective pressure

B. fitness

C. food supply

D. variation

Question Number 2:

Consider the following scenario:

In an aquatic bird population, some birds have long legs. Other birds have short legs. The food supply is minimal. The birds with long legs are able to wade farther into the water where they can find fish. The birds with long legs become more common.

What scientific term best describes this scenario?

A. natural selection

B. mutation

C. selective pressures

D. fitness

Question Number 3:

What relationship exists between changes in the environment and variations?

A. Changes in the environment can only cause new variations to appear.

B. Changes in the environment cannot influence the fitness of an organism.

C. Changes in the environment can act only on existing variations in a population.

D. Changes in the environment cannot change which traits are advantageous.

Question Number 4:

Over time, the variation that gives an advantage

A. becomes more common in the population.

B. can limit the number of selective pressures.

C. can limit the number of individual organisms.

D. becomes less common in the population.

Answer 1

1) Selective pressure

2) Natural selection
3) Changes in the environment can act only on existing variations in a population.
4) becomes more common in the population
Your welcome :)

Answer 2

1. selective pressure

2. natural selection
3. changes in the environment act only existing variations in a population
4. becomes more common in the population

Answer 3

Thanks guys! lol im so bord today like if you agree 😜

Answer 4

Sasageyo is 100% correct. I'm so tired 😴😩 schools so stressful

Answer 5

@Candi School can be stressful. It can cause stress witch can lead to anxiety and or depression. Please be mindful and educate yourself. It may not be stressful you but it can be for others.

Answer 6

Im usually kind, but i really want this answer so plse give me the damn answers!!!!!!!!!

Thank you, ;)

Answer 7

can we get words for this? I started the test and then i got on the other computer and my a was my c on the different computers.

Answer 8

ummmm read the questions PsyDAG

Answer 9

correct me if i'm wrong

Answer 10

put down the word answers for the quiz