To learn more about the last common ancestor of all living things, scientists studied the genes that bacteria and ________ share.
A. archaea
B. alga
C. protista
D. animals
E. plants
Answer: A
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Which of the following components is not associated with the primary cell wall?
A) cellulose microfibrils B) hemicelluloses C) pectins D) glycoproteins E) lignins
All of the following are true about prosimians except
A. they are big-eyed mammals with increased visual acuity. B. only two lineages survive today. C. they are nocturnal. D. they are widespread.
Human activities have resulted in at least one-third of the landmass of Earth being altered in some way
Indicate whether the statement is true or false
All of the changes that occur starting from the time an egg is fertilized and continuing through childhood, adolescence, and adulthood are called
A. evolution. B. homeostasis. C. development. D. metabolism. E. reproduction.