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General Biology 1 > Lab Exam 2 > Flashcards

Lab Exam 2 Flashcards

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1
Q

Choanocytes

A

Flagellated cells (collar cells) in inner layer of sponge (porifera)

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2
Q

Spicules

A

Cells that constitute skeletons (either cristalline spicules, proteinaceous fibers, or both)

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3
Q

Mesoglea

A

Gelatinous layer between ectoderm and endoderm (diploblastic) in Cnidaria

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4
Q

Cnidocytes

A

Stinging cells

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5
Q

Nematocyst

A

Small barb or thread that carries irritating, stinging chemicals coils into a capsule.

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6
Q

Coelomates

A

True coelom completely lined
with mesoderm

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7
Q

Pseudocoelomates

A

Body cavity formed from
mesoderm + endoderm

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8
Q

Acoelomates

A

No body cavity

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General Biology 1 (7 decks)

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