BIO Chapter 4 Flashcards by DJ Delacruz JR | Brainscape

Q

3 Characteristics of Phylum nematoda

A

Unsegmented bodies
Important aquatic decomposers
Many species are parasites

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Q

3 advantages of metameres

A

More effecient locomotion
More advanced nervous system
Repetition of body parts

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Q

Closed circulatory system an evolutionary first in this phylum

A

Phylum annelida

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