the first animals to live successfully on land were
a. reptiles.
b. flying reptiles.
c. amphibians.
d. arthropods.

What do all macromolecules have in common with each other? oa. they all are formed from the same elements.ob. they all have major roles in cell membranesoc. they all act as catalysts in the body.od. they all have peptide bonds between carbon atoms.

Number and variety of living organism; includes genetic, species, and ecological types

What is the term for a water wave that is created by an underwater earthquake?