1A) Phylum Arthropoda The Arthropods are the most diverse and abundant phylum of animals; ~80% of all animal species are

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1A) Phylum Arthropoda The Arthropods are
the most diverse and abundant phylum of animals; ~80% of all animal
species are arthropods, and they are also dominant in terms of
abundance. Describe three aspects of the Arthropoda body plan that
has enabled them to be so successful.
I.
II.
III.
1B) Phylum Echinodermata. Briefly describe
feeding behavior of sea urchins, sea cucumbers, brittle stars, and
sea stars.
I.
II.
III.
IV.