The most successful phylum in regards to diversity and numbers is
A) MolluscA.
B) Nematoda.
C) Platyhelminthes.
D) Arthropoda.
E) Echinodermata.
Correct Answer:
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Q15: An invertebrate is an animal that
A) does
Q33: Sponges belong to the phylum
A)PoriferA.
B)Cnidaria.
C)Platyhelminthes.
D)Nematoda.
E)Annelida.
Q34: A mollusk with multiple arms for locomotion
Q38: The embryonic germ layer of tissue in
Q39: Leeches and earthworms belong to the phylum
A)PoriferA.
B)Mollusca.
C)Annelida.
D)Nematoda.
E)Platyhelminthes.
Q41: A lancelet is
A)an invertebrate chordate.
B)a vertebrate.
C)an echinoderm.
D)an
Q42: Which of the following is a characteristic
Q46: Which of the following are characteristics of
Q47: A tunicate is
A)an invertebrate chordate.
B)a vertebrate.
C)an echinoderm.
D)an
Q55: A bony or cartilaginous structure that surrounds
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