Chapter Twelve Flashcards

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1
Q

Kingdom Animalia

A

The kingdom of multicellular, heterotrophic eukaryotes without cell walls

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2
Q

Phylum Porifera

A

A phylum of Kingdom Animalia of pore-bearing animals (sponges)

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3
Q

Sessile

A

Attached by the base to one spot

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4
Q

Regeneration

A

The process of regrowing a missing body part

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5
Q

Phylum Cnidaria

A

A phylum of Kingdom Animalia of bag-like body animals with tentacles and two tissue layers (jellyfish)

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6
Q

Tentacle

A

A long soft appendage, sometimes with suction cups or stinging cells (nematocysts)

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7
Q

Radial Symmetry

A

A phylum of Kingdom Animalia of flat worms

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8
Q

Dorsal

A

Top or back

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9
Q

Ventral

A

Underside or bottom

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10
Q

Bilateral Symmetry

A

A shape which may be cut into two similar parts

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11
Q

Phylum Nematoda

A

A phylum of Kingdom Animalia of round worms

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12
Q

Phylum Annelida

A

A phylum of Kingdom Animalia of segmented worms

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13
Q

Anterior

A

Front end

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14
Q

Posterior

A

Rear end

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15
Q

Phylum Mollusca

A

A phylum of Kingdom Animalia of soft-bodied animals with a muscular foot, and most with a hard shell (mollusks)

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16
Q

Phylum Arthopoda

A

A phylum of Kingdom Animalia of jointed leg animals with exoskeletons (arthopods)

17
Q

Exoskeleton

A

A skeleton on the outside of the body

18
Q

Metamorphosis

A

The process of changing shape while developing to adulthood

19
Q

Larva

A

An immature form in many kinds of animals; larval insects are also called caterpillars

20
Q

Pupa

A

An immature, resting stage of an organism that undergoes complete metamorphosis

21
Q

Nymph

A

An immature form of an animal that undergoes incomplete metamorphosis

22
Q

Phylum Echinodermata

A

A phylum of Kingdom Animalia of spiny-skinned animals with radial symmetry (star fish)

23
Q

Phylum Hemichordata

A

A phylum of Kingdom Animalia of soft-bodied animals with bilateral symmetry and a stomochord (marine worms)