In a healthy ecosystem, many different species of animals may share the same habitat because they each have a different niche. an animal's niche is best described as

What is the primary function of the nervous system?

Has anyone taken the genetics unit test in connexus? not looking for answers, just a little bit what to expect and some with studying.

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings