Sessile organisms overcome problems relating to sexual reproduction by
A) reproducing asexually.
B) releasing sperm into the water that surrounds them.
C) having internal fertilization.
D) producing larvae.
Correct Answer:
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Q8: Diploblastic organisms differ from triploblastic organisms in
Q9: The earliest animal fossils
A) are about 2.5
Q10: Organs in the coelom of an animal
Q11: Segmentation
A) is common in Arthropods.
B) requires an
Q12: These are parasitic flatworms.
A) roundworms
B) turbellarians
C) flukes
D)
Q14: In most sessile organisms, the fertilized egg
Q15: Animals that swim about freely are
A) plankton.
B)
Q16: Animals with a backbone are
A) vertebrates.
B) chordates.
C)
Q17: A type of multicellular animal that consists
Q18: Fragmentation is a method of reproduction in
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