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PWS 344 > Characteristics of Phyla > Flashcards

Characteristics of Phyla Flashcards

1
Q

Phylum Porifera

A

LACK SYMMETRY, TISSUES AND ORGANS, 3 Functional layers: choanocytes (flagellated cells similar to protists), mesophyl (spongin and spicules), epithelial

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2
Q

Phylum Cnidaria

A

RADIAL SYMMETRY, TISSUES, Nematocyst (harpoon) or cnidocytes, diploblastic

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3
Q

Phylum Platyhelminthes

A

BILATERAL SYMMETRY, triploblastic, non-segmented,, incomplete gut

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4
Q

Phylum Nematoda

A

PSEUDOCOEL, complete gut, separate sexes

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5
Q

Phylum Mollusca

A

TRUE BODY CAVITY, circulatory system, largest of invertebrates, protostomes

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6
Q

Phylum Annelida

A

SEGMENTED, excretory and locomotive organs

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7
Q

Phylum Arthropoda

A

JOINTED APPENDAGES, EXOSKELETON, head, thorax and abdomen, compound eye

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8
Q

Phylum Echinodermata

A

DEUTEROSTOMES, ENDOSKELETON, pentaradial adults, indeterminate development, regeneration

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9
Q

Phylum Chordata

A

NOTOCHORD, HOLLOW NERVE CORD, PHARYNGEAL SLITS, POSTNATAL TAIL

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PWS 344 (6 decks)

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