Course

Anatomy & Physiology

Study Pack

Set 15 The Evolution Of Microbial Life

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Question 1

(Multiple Choice)

Free
Which group of prokaryotes aids digestion in cattle, deer, and other animals that obtain nutrition from cellulose?

A)halophiles
B)dinoflagellates
C)methanogens
D)cocci

Answer

Question 2

(Multiple Choice)

Free
Which gas began to increase in the atmosphere as a result of photosynthesis by autotrophic prokaryotes approximately 2.7 billion years ago?

A)methane
B)carbon dioxide
C)oxygen
D)hydrogen

Answer

Question 3

(Multiple Choice)

Free
Which groups of organisms colonized land during the Paleozoic era approximately 500 million years ago?

A)plants, protists, and insects
B)plants, fungi, and insects
C)bacteria, plants, and fungi
D)protists, bacteria, and fungi

Answer