The was a period of rapid change during which the ancestors of most animal groups emerged. a layer of soot found between rock layers worldwide, known as might indicate that a large meteorite collided with earth.

the correct answer is ( hypoglycemia ); good luck

explanation:

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

the dna of humans and mice is almost 92% similar. this similarity indicates that . mice have a tail, while humans have a tailbone. the tailbone is a structure in humans.yes it's true.