Cnidaria, like jellyfish, have two basic body plans. the free-floating jellyfish structure is in . pupa, b. cephalopod, c. medusa) form, while the coral is in . bivalve, b. polyp, c. larvae).

from the original order (top to bottom) the new order will go

1 (founder)

4 (hawk)

2 (mutate)

3 (next generation)

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?