4. Migration of animals in the savanna is mostly a response to... A. predation

B. altitude

C. rainfall

D. temperature

According to the cell theory, which describes cells? a. all organisms are composed of multiple cells. b. all cells have the same structure and function. c. cells are found in everything on earth. d. living organisms are not created spontaneously

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity

Asquirrel population lives in an area. over many years, a river in that area grows wider and stronger, eventually forming a canyon. the squirrel populations on the two sides of the canyon can no longer mate with each other and ultimately form distinct species. this is an example of