An Arthropod Embryo Has _________Germ Layer(s)

Q34: Hydra, anemones, and jellyfish are in the

Q35: A cnidarian that builds a calcium carbonate

Q36: An animal such as a grasshopper can

Q37: Sponges have<br>A) an exoskeleton.<br>B) a gastrovascular cavity.<br>C)

Q38: If someone discovered a new compound that

Q40: Charles Darwin wrote that members of the

Q41: Members of the phylum _are characterized by

Q42: Your job is to classify a newly

Q43: The animals most like the ancestral protist

Q44: Animals obtain energy through photosynthesis.