Which animals have a cartilaginous skeleton as an adult?
A) sharks
B) reptiles
C) humans
D) houseflies
E) earthworms
Correct Answer:
Verified
Q20: Where is calcium stored in muscle fiber
Q21: Fast and _ muscle fibers contract rapidly
Q22: Which organisms have exoskeletons?
A)earthworms
B)humans
C)sea anemones
D)insects and clams
E)amphibians
Q23: A sphincter is a _.
A)ring of smooth
Q24: The bone in the upper arm is
Q26: The embryonic skeleton of all vertebrates is
Q27: The most common type of joint is
Q28: Which skeletal muscle component includes all the
Q29: The bright red color of red muscle
Q30: Calcium release from bones is triggered by
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