PLEASE HELPP diversity in a habitat represents

A. a group of the same species
B. a group of different species
C. a unicellular organism

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

What is the purpose of presenting a false dilemma in a speech?

Plants need carbon dioxide from their environment to produce glucose during which stage of photosynthesis?