Question

With the exception of echinoderms, invertebrates are _____; chordates, echinoderms, and vertebrates are _____.

soft-bodied; hard-bodied
acoelomates; coelomates
protostomes; deuterostomes
radially symmetrical; bilaterally symmetrical

Answer 1

The correct answer is C. Protostomes Deuterostomes

Answer 2

protostomes; deuterostomes

Step-by-step explanation:

Protostomes are those organisms in which mouth develops first from blastopore in their early embryonic development. Examples of protostomes are the animals of the phyla Arthropododa, Mollusca and Annelida. Whereas deuterostomes are those organisms in which anus develops first from blastopore in their early embryonic development. Examples of deuterostomes animals are the members of the Chordata and Echinodermata phyla.