5. Which of the following terms would you equate with pollen? a. microspores b.

Question

5.   Which of the following terms would you equate with pollen?

a.    microspores

b.    megaspores

c.     seeds

d.    embryo

e. zygote    

6.     The most severe extinction to date happened at the end of

a.    Cretaceous.

b.    Ordovician.

c.     Permian.

d.    Devonian.

e.    Triassic.

7.     According to the multiregional hypothesis,

a.    humans did not originate in Africa.

b.    Homo sapiens arose in Africa and then moved to other continents.

c.     populations of Homo sapiens evolved in several parts of the world simultaneously.

d.    Homo sapiens evolved from populations of Neanderthals.

e.    all of the above occurred.

8.     Most animals are

a.    both triploblastic and bilateral.

b.    both triploblastic and radial.

c.     both diploblastic and radial.

d.    both diploblastic and bilateral.

e.    none of the above.

9.   Ginkgoes are considered as "living fossils" because

a.    they are extinct.

b.    they have leaves instead of needles.

c.     they have undergone very little change compared to their fossil forms.

d.    have only one surviving species.

e.    all of the above

Explanation / Answer

Answers:

5.

Option a

microspores

6. Option c

Permian

7.

Option c

populations of Homo sapiens evolved in several parts of the world simultaneously

8.

Option a

both triploblastic and bilateral

9.

Option c

they have undergone very little change compared to their fossil forms

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