When ocean levels dropped about 70 million years ago, marsupial mammals moved into North America and displaced many of the placental mammal species

a. true
b. false


Answer: b. false

Biology & Microbiology

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a. Glomeromycetes c. Zygote fungi b. Chytrids d. Club fungi

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Joints help do what?

What will be an ideal response?

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Peptidoglycan is found in the cell walls of

A) plants. B) bacteria. C) archaea. D) fungi. E) viruses.

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A decrease in the function of the cardiovascular system due to aging can cause a decreased ability of the body to metabolize drugs.

Answer the following statement true (T) or false (F)

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