<span>cnidarians move from place to place. sponges dont.</span>
Miditerranean sea is the body of water
Luster
density
streak
hardness
just took the test
There are three sources of genetic variation: mutation, gene flow, and sexual reproduction. A mutation is simply a change in the DNA.
I would go with 4 that's what makes the most sense to me, and i just learned about this last year so... I hope this helps good luck..