The development of the amniote egg was important for:
A) survival of birds
B) movement of vertebrates onto land
C) development of external fertilization in fish
D) the evolution of the egg-laying mammals
Correct Answer:
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Q51: The phylum Chordata and the phylum Arthropoda
Q52: Endothermy refers to:
A)maintaining stable body temperature through
Q53: Diphyodonty refers to:
A)the development of two sets
Q54: The first jaws evolved from:
A)gill bars
B)vertebral spines
C)pectoral
Q55: The early vertebrates differed from the earlier
Q57: Humans belong to the phylum:
A)Echinodermata
B)Chordata
C)Arthropoda
D)Mollusca
Q58: Within the amniote egg,the embryo is contained
Q59: A multicellular organism that synthesizes food from
Q60: The regional differentiation of teeth is termed:
A)heterodonty
B)homodonty
C)diphyodonty
D)polyphyodonty
Q61: The greatest number of mammals are:
A)eutherians
B)prototherians
C)metatherians
D)monotremes
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