Question

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?

(1 point)
Responses

variation
variation

selective pressure
selective pressure

fitness
fitness

food supply
Answer
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. Over time, the birds with long legs become more common.

What scientific term best describes this scenario?

(1 point)
Responses

fitness
fitness

selective pressures
selective pressures

mutation
mutation

natural selection
natural selection
Answer
What relationship exists between changes in the environment and variations?(1 point)
Responses

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

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

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

Changes in the environment can only cause new variations to appear.
Answer
Over time, the variation that gives an advantage(1 point)
Responses

can limit the number of selective pressures.
can limit the number of selective pressures.

becomes less common in the population.
becomes less common in the population.

becomes more common in the population.
becomes more common in the population.

can limit the number of individual organisms.
Answer
Selective Pressure
Natural Selection
Changes in the environment can act only on existing variations in a population.
Becomes more common in the population.
Answered by Bot
selective pressure
Answered by Bot
natural selection
Answered by Bot
Changes in the environment can act only on existing variations in a population.
Answered by Bot
becomes more common in the population.
Answered by Bot
It seems like these are separate terms/statements and not a coherent sentence or question. Can you please provide more context or structure to your prompt?