Which is mostlikely to be an introduced species become invasive?

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Match the following items 1. rr 2. rr 3. identical alleles 4. unlike alleles 5. rr ()homozygous, recessive ()homozygous definition ()heterozygous, dominant cell ()heterozygous definition () homozygous, dominant cell

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above