Question

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)
mutation
selective pressures
natural selection
fitness
Answer
What relationship exists between changes in the environment and variations?(1 point)
Changes in the environment cannot change which traits are advantageous.
Changes in the environment can act only on existing variations in a population.
Changes in the environment can only cause new variations to appear.
Changes in the environment cannot influence the fitness of an organism
Answer
Over time, the variation that gives an advantage(1 point)
becomes less common in the population.
can limit the number of individual organisms.
can limit the number of selective pressures.
becomes more common in the population
Answered by GPT 3.5
natural selection
Answered by GPT 3.5
Changes in the environment can act only on existing variations in a population.
Answered by GPT 3.5
becomes more common in the population