Which term refers to all of the individuals of the same species that inhabits the same area?

a. population
b. community
c. niche
d. ecosystem

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands

which fault and or fold did you find most difficult to diagram