What is a physical place where an organism lives

How do hummingbirds provide evidence for Darwin's Dangerous Idea?

Two species of finches are in competition for the limited resources of an ecosystem. one species eats fruit and the second species eats seeds. if a third species of herbivore finches moves into the area, how will the ecosystem change?

What era did the mammoth appear

What can be used as a molecular clock to estimate the time since organisms diverged from a common ancestor?

What day is considered to be the first day of a female's reproductive cycle? When hormone levels are low and the uterus lining is shed. When hormone levels are high and the uterus lining is shed.

In general, the frequency with which crossing over occurs between two linked genes depends on what?

How does the amount of rainfall affect the amount and types of seeds present on the Galapagos Islands?

Which two of the methods for collecting a urine sample are considered sterile technique

Which of these processes is used to break down glucose into ATP that is usable by the cell? A) chemosynthesis B) photosynthesis C) respiration D) transpiration

What would happen to the moon if Earth's gravity did not affect it?