Cnidaria have no brain, so they Cannot move .a O .Cannot chase their food. b O Must be solitary
c O .Cannot swim d
O Cannot be predators
.e O :Insects that are primitive have a life cycle that differs from advanced insects in that The adults can only feed on solid food
.a O There is no pupal stage
.b O Its larvae feed on different foods from the adults
.c O They take much longer to become an adult
dO The adult cannot fly .

The images show two species of tree frogs in a particular region. the gray tree frogs are adapted to the trees of the woodlands, while the green tree frogs can survive in woodlands or grasslands. the gray frog was abundant in the woodlands. because of climatic changes, most of the trees in the region died, and the woodlands changed to grasslands. in such a case, the . the gray tree frog is closely related to the green tree frog genetically, but they have different mating calls. this suggests that speciation occurred because of .