The drastic decline in sea urchin populations in the Caribbean reef systems allowed algae to overgrow corals, resulting in depredation of the coral reef systems. When urchin populations rebounded, the coral population did not fully return. The Caribbean reef systems exhibited

Plz ! for many generations farmers in north america have been choosing to cross corn plants with large ears of corn each year this results in the new generation of plants also growing large ears of corn. what is the technique called? a. selective breeding. b. natural selection. c. mitosis. d. asexual budding.

Why is the theory of evolution important? it disproves all other theories about how life began. it provides a topic for debate. it is a unifying concept in biology. it explains how life began. i know for sure, it is not "it is a unifying concept in biology."

This is one of the five kingdoms in the older biological succession. organisms in this kingdom are prokaryotic.