On which continent would you have seen the very earliest members of Homo sapiens?

A) Europe
B) Asia
C) Africa
D) Australia


C

Biology & Microbiology

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In a eudicot, what is the fate of the cotyledons?

a. they shrivel up and fall off the seedling b. they become the primary leaves c. they are incorporated into the stem d. they stay in the seed and never emerge e. they become the embryonic root

Biology & Microbiology

A human cell containing two sets of 23 chromosomes is

A) aneuploid. B) polyploid. C) euploid. D) haploid. E) None of these

Biology & Microbiology

How many years ago did the plants that formed fossil fuels actually live?

A) 300,000,000,000 B) 300,000,000 C) 300,000 D) 30,000

Biology & Microbiology

Which of the following is NOT a function of bile salts?

A. aid the enzyme lipase in the digestion of fat molecules B. act as emulsifiers C. production of vitamin D D. needed for fat digestion

Biology & Microbiology