Weegy: Animals with a special rod or notochord are called chordates.
User:
Select all that apply.
Characteristics of most vertebrates' body structures include _____.
radial symmetry
bilateral symmetry
coelomates
acoelomates
four levels of cell organization (cells, tissues, organs, organ systems)
asymmetry
psuedocoelomates
Weegy: Characteristics of most vertebrates' body structures include: radial symmetry, bilateral symmetry, cells, tissues, organs, and organ systems is your answer.
User:
With the exception of echinoderms, invertebrates are _____; chordates, echinoderms, and vertebrates are _____.
soft-bodied; hard-bodied
acoelomates; coelomates
protostomes; deuterostomes
radially symmetrical; bilaterally symmetrical
Weegy: With the exception of echinoderms, invertebrates are "protostomes" chordates, echinoderms, and vertebrates are "deuterostomes".
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