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Biology 1407 Lab Exam 3 Questions With Complete Solutions

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Biology 1407 Lab Exam 3 Questions With Complete Solutions

Institution
Biology 1407
Course
Biology 1407

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Biology 1407 Lab Exam 3 Questions With Complete
Solutions

Class Amphibia Correct Answers amphibians
Eggs lack shell and must be laid in water

Class Anthozoa (Phylum Cnidaria) Correct Answers corals and
anemones, Polyp form dominates

Class Asteroidea (Phylum Echinodermata) Correct Answers
sea stars

Class Bivalvia (Phylum Mollusca) Correct Answers clams,
oysters, mussels, scallops
Dorsal, Ventral, Anterior Posterior (left or right valve)

Class Cephalopoda (Phylum Mollusca) Correct Answers
Octopi and Squids
Closed Circulatory system,
Complex nervous system

Class Cephalopoda (Squid Dissection) Correct Answers Arms,
tentacles, beak, siphon, mantle, pen, eyes, gills

Class Cestoda (Phylum Platyhelminthes) Correct Answers
Parasitic Tapeworms
Scolex, Proglottids

Class Clitellata (Subclass Hirudinea) Correct Answers Leeches
Body not segmented internally
no chaetae

, Class Clitellata (subclass Oligochaeta) Correct Answers
Earthworms
Highly segmented coelom, chaetae directly on body wall, few in
number

Class Echinoidea (Phylum Echinodermata) Correct Answers
sea urchins and sand dollars
Mouth on Ventral surface

Class Gastropoda (Phylum Mollusca) Correct Answers Snails
and Slugs
Torsion in early development

Class Holothuroidea (Phylum Echinodermata) Correct Answers
Sea Cucumbers
Lack spiny skin and endoskeleton reduced, eject part of gut out
anus

Class Hydrozoa (Phylum Cnidaria) Correct Answers Hydra,
Feeding polyps, Medusa Bud

Class Mammalia Correct Answers mammals
Amniotic egg, usually no shell, mammary glands, hair

Class Polychaeta (Phylum Annelida) Correct Answers Highly
Segmented Coelom, Parapodia with chaetae on each segment

Class Polyplacophora (Phylum Mollusca) Correct Answers
Chitons
8 dorsal plates, Radula, foot
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