All animals use vibrating air sacs or body parts (wings, legs, etc) to produce sounds
true or false

In a relatively small iguana population the allelic frequency is tracked for three generations. webbing is a recessive allele; no webbing is the dominant allele. during one very rainy spring and summer, a flood washes all the iguana without webbed feet out to sea. by the fall, and three generations later, you have the gene pool seen here.

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

What was the land like over 500 million years ago? what was under the sea?