Animal Diversity Cont. Flashcards by Kristen Mazowiecki

Q

Phylum Nematoda

A

Roundworms (Ascaris)

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Q

Phylum Anthropoda

A

Crustaceans, insects, arachnids

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Q

Phylum Echinodermata

A

Star fish, sea urchins, sea cucumbers, sand dollars

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Q

All Phylum Chordata have 4 things during embryonic development:

A

Dorsal nerve chord
Notochord
Pharyngeal gill slits
Post-anal tail

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Q

Lancelets are in which phylum?

A

Chordata

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Q

Roundworm body cavity

A

Psuedocoelomate

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Q

Roundworm circulatory system

A

None

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Q

Crayfish circulatory system

A

Open

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Q

Lancelet circulatory system

A

Closed

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Q

Frog circulatory system

A

Closed

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Q

Roundworm respiratory organs

A

None

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Q

Crayfish respiratory organs

A

Gills

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Q

Lancelet respiratory organs

A

Skin and gills

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Q

Frog respiratory organs

A

Skin and lungs

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Q

Roundworm excretory system

A

Lateral lines

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Q

Crayfish excretory system

A

Green glands

Q

Lancelet excretory system

A

Nephridia

Q

Frog excretory system

A

Kidneys

Q

Roundworm support system

A

Hydrostatic support & exoskeleton

Q

Crayfish support system

A

Exoskeleton

Q

Lancelet support system

A

Notochord

Q

Frog support system

A

Endoskeleton

Q

Which species does NOT have segmentation?

A

Roundworm

Q

Crayfish appendages

A

Walking legs & swimmerets

Frog appendages

Limbs

Roundworm locomotion

Tail

Crayfish locomotion

Walking legs & swimmerets

Lancelet locomotion

Tail

Frog locomotion

Hopping

Roundworm nervous system

Ventral & dorsal nerve chord

Crayfish nervous system

Simple brain & ventral nerve chord

Lancelet nervous system

Dorsal nerve chord

Frog nervous system

CNS & PNS (like humans)