Which of the following is an example of adaptive radiation? One population of squirrels becomes two separate species over a long time. One population of lizards forms 15 separate species over a short time. One species of birds becomes better suited to its environment over time. One species of fish forms when two species of fish begin to breed with each other.

B. One population of lizards leads to 15 separate species over a short time.

Explanation:

Adaptive radiation is a process in which organisms diversify rapidly into a multitude of new forms, particularly when a change in the environment makes new resources available, creates new challenges and opens environmental niches.

Can confirm option B: "One population of lizards forms 15 separate species over a short time." is correct

Explanation:

on edg 2020

the menstrual cycle – higher tier. negative feedback mechanisms affect the production of hormones in the menstrual cycle. oestrogen also stimulates the release of lh (luteinising hormone) from the pituitary gland, which in turn controls the production of progesterone.