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Questions in biology

[Answered] List three pollutants that the burning of fossil fuels adds to the air. What are the sources of these three pollutants?

[Answered] The type of protozoan that uses pseudopods (false feet) to move is: a. a ciliate protozoan. b. an amoeboid protozoan. c. a sporozoan. d. an alga.

[Answered] In Mendel’s initial experiments, an example of the F2 generation would be: A. 75 round seed plants to 25 wrinkled seed plants B. 75 green seed plants to 25 yellow seed plants C. 75 white-flowered plants to 25 purple-flowered plants D. All of the above

[Answered] If vascular plants have so many advantages, why do nonvascular plants still exist on Earth today?

[Answered] Two long tubes of muscle that lead from the stomach and help absorb food are the _____ and the _________.

[Answered] Skeletal muscles need a rich blood supply to provide them with A. oxygen. B. carbon dioxide. C. water. D. none of the above.

[Answered] Which is an example of a predator-prey relationship? A. The relationship between a duck and a pond of water. B. The relationship between a lion and a zebra. C. The relationship between a bee and a flower. D. The relationship between a hen and a rooster.

[Answered] What are the traits used to classify a virus?

[Answered] The parts of a neuron include: a. the cell body. b. one axon. c. numerous dendrites. d. all of the above.

[Answered] What is the difference between a whitecap and a swell?