Which of the following is NOT a characteristic of animals?
A) They have cell walls.
B) They have a developmental stage called a blastula.
C) They are multi-cellular eukaryotes.
D) They are heterotrophs.
E) They secrete and bind to an extracellular matrix.
Correct Answer:
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Q4: The embryonic germ layer of tissue in
Q10: Which of the following characteristics do all
Q22: Corals and jellyfish belong to the phylum
A)PoriferA.
B)Cnidaria.
C)Platyhelminthes.
D)Nematoda.
E)Annelida.
Q24: In animals,a sphere of embryonic cells surrounding
Q25: Cnidarians are animals found in _ environments.
A)land-dwelling
B)tree-dwelling
C)desert
D)All
Q26: A fluid-filled body cavity that forms completely
Q28: All cnidarians share the ability to do
Q32: The type of body symmetry in which
Q33: The type of body symmetry in which
Q37: Snails and squids belong to the phylum
A)CnidariA.
B)Porifera.
C)Platyhelminthes.
D)Mollusca.
E)Annelida.
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