A) Platyhelminthes.
B) Cnidaria.
C) Porifera.
D) Nematoda.
E) Annelida.
Correct Answer
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Multiple Choice
A) shark
B) tuna
C) salmon
D) lungfish
E) catfish
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True/False
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Multiple Choice
A) 65 million years ago to 2 million years ago.
B) 500 million years ago to 250 million years ago.
C) 250 million years ago to 65 million years ago.
D) 540 million years ago to 250 million years ago.
E) one billion years ago to 500 million years ago.
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Multiple Choice
A) MolluscA.
B) Nematoda.
C) Platyhelminthes.
D) Arthropoda.
E) Echinodermata.
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Multiple Choice
A) an incomplete digestive tract and closed circulatory system
B) a complete digestive tract and open circulatory system
C) a complete digestive tract and closed circulatory system
D) an incomplete digestive tract and open circulatory system
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True/False
Correct Answer
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True/False
Correct Answer
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Multiple Choice
A) has a complete digestive tract.
B) does not have a backbone.
C) has a backbone.
D) has an incomplete digestive tract.
E) does not have true tissues.
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Multiple Choice
A) head,thorax,and abdomen
B) head,abdomen,and legs
C) head,thorax,and legs
D) head,gastrovascular cavity,and thorax
E) head,gills,and legs
Correct Answer
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Multiple Choice
A) They are single-celled eukaryotes.
B) They are multi-cellular prokaryotes.
C) They are multi-cellular eukaryotes.
D) They are single-celled prokaryotes.
E) No answer is correct.
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Multiple Choice
A) amphibians
B) nonavian reptiles
C) birds
D) mammals
E) fish
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True/False
Correct Answer
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Multiple Choice
A) spicules
B) pores
C) collar cells cells
D) amoebocytes
E) No answer is correct.
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True/False
Correct Answer
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Multiple Choice
A) They do not have true tissues.
B) They have a gastrula with only two germ layers.
C) They have radial symmetry.
D) They have a notochorD.
E) They have a pseudocoelom.
Correct Answer
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Multiple Choice
A) PoriferA.
B) Mollusca.
C) Annelida.
D) Nematoda.
E) Platyhelminthes.
Correct Answer
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Multiple Choice
A) turtle
B) lizard
C) toad
D) octopus
E) coelacanth
Correct Answer
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Multiple Choice
A) gastropod.
B) cephalopod.
C) bivalve.
D) chiton.
E) flukE.
Correct Answer
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True/False
Correct Answer
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