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3 years ago

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

Biology

2 answers:

ikadub [295]3 years ago

8 0

Answer:

All invertebrates except echinoderms are protostomes. Protostomes include the phylum: coelenterata, ctenophora, platyhelminths, nematyhelminths, annelida, arthropoda and mollusca.

Explanation:

Echinoderms and chordates have tube within tube type of body plan which has evolved along deuterostomic evolutionary line. Other similarities between echinoderms and chordates (which includes vertebrates) are:

-They possess a true coelom called enterocoelom.

- They have mesodermal skeleton made of calcareous plates or ossicles.

andrezito [222]3 years ago

7 0

protostomes and deuterostomes

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To learn more about GlaxoSmithKline click here

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

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