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ASU BIO 182 PRACTICAL EXAM NEWEST 2026-
2026 ACTUAL EXAM COMPLETE QUESTIONS
AND CORRECT DETAILED ANSWERS
(VERIFIED ANSWERS) |ALREADY GRADED A+
Describe the respiratory organs of the sponge, hydra, and
planarian - CORRECT ANSWER-Gas exchange occurs directly
across cell membranes
what does the clam use for its circulatory system? - CORRECT
ANSWER-Gills
What animals use their skin and parapodia for respiratory
organs? - CORRECT ANSWER-Clamworm and earthworm
True or False: the Roundworm has respiratory organs -
CORRECT ANSWER-False
What respiratory organs can be seen in the crayfish? -
CORRECT ANSWER-Gills
Which animal uses spiracles, and tracheae for respiratory
organs? - CORRECT ANSWER-Grasshopper
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What organs does the sea star use for respiration? - CORRECT
ANSWER-Skin gills and extensions of coelomic cavity
The Lancelet uses _______ for respiratory organs - CORRECT
ANSWER-Skin
The nervous system of both the Lancelet and Pig are located in
which region of the body? - CORRECT ANSWER-Dorsal
Which animal's nervous system is comprised of a nerve ring in
the central disc and an epidermal nerve network? - CORRECT
ANSWER-Sea star
Which animal has both a dorsal and ventral nerve cord? -
CORRECT ANSWER-Roundworm
Describe the nervous system of the Clam - CORRECT
ANSWER-Three ganglia connected by nerves
Describe the nervous system of the Planarian - CORRECT
ANSWER-"Ladder-like" nervous system consisting of a brain
and two ventral nerve cords
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True or False: the Sponge has a nervous system - CORRECT
ANSWER-False
Which animal has no brain, but has a network of nerve cells? -
CORRECT ANSWER-Hydra
Which animals feature a dorsal brain and a ventral nerve cord? -
CORRECT ANSWER-Clamworm, earthworm, crayfish,
grasshopper
Describe the appendages seen on a crayfish - CORRECT
ANSWER-Mouth appendages, walking legs, and swimming
appendages
Describe the appendages seen on a grasshopper - CORRECT
ANSWER-Wings, walking legs, mouth appendages
True or False: the clamworm has parapodia - CORRECT
ANSWER-True
Which animals exhibit segmentation? - CORRECT ANSWERPig (muscles), Lancelet (muscles), Grasshopper, Crayfish,
Clamworm, Earthworm
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