For each statement below, write the animal phyla fromthe list for which the statement is true. List as many phyla asapply to each statement.
Echinodermata (sea urchins, sea stars)
Arthropoda (insects, crustaceans, etc.)
Porifera (sponges)
Cnidaria (jellyfish, corals, sea anemones,etc.)
Chordata (vertebrae)
Has one cell layer
Has two cell layers
Has three cell layers
Are asymmetric
Are radially symmetric
Are bilaterally symmetric
Their embryos have a blastula stage
Are considered to be deuterostomes
Are considered to be protostomes
Are eukaryotic
Then, identify which of the statements from above is acharacteristic that evolved more than once in animals. What doesthis mean?
