A female firefly responds to signals flashed by a male firefly. What are these fireflies participating in? A courtship

B hibernation

C migration

D defense

The first signs of cellular differentiation occur in the blastocyst. why is cellular differentiation important for the development of a fully formed human infant?

Cell specialization occurs by the process ofa. reproductionb. differentiationc. maturationd. growth

In iceland, the mid atlantic ridge runs through the center of the contry. what can you conclude about the apperence of iceland many thousands of years from now?