The earliest animal fossils
A) are about 2.5 billion years old.
B) are of marine organisms.
C) are of insects.
D) None of the above is correct.
Correct Answer:
Verified
Q4: Homeotherms
A) have the same body temperature as
Q5: Animals with no particular body shape have
A)
Q6: Animals that are constructed around a central
Q7: Animals that can only be divided into
Q8: Diploblastic organisms differ from triploblastic organisms in
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)
Q13: Sessile organisms overcome problems relating to sexual
Q14: In most sessile organisms, the fertilized egg
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