Biology, 27.07.2019 11:30 charles8527
Skeletal muscle tissue and cardiac muscle tissue have some different structures and functions. what cardiac muscle structures unify the heart's electric current, allowing the entire organ to contract smoothly?
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Biology, 21.06.2019 16:00
The rate at which molecules water and oxygen can enter a cell is determined by the-
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Biology, 22.06.2019 05:30
Which of the following produces carbon dioxide? a. plants b. animals c. decomposers d. all of the above
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Biology, 22.06.2019 09:00
This is a typical grassland food web. it is also a small picture of an important cycle on earth: the carbon cycle. describe how the carbon gets into this food web. a) bacteria and fungi, the decomposers, recycle carbon from dead organisms. b) carbon is found in the grass and is passed from one level to the next in this food web. eliminate c) all living things give off carbon dioxide as a by-product of respiration and it is released into the atmosphere. d) plants use carbon dioxide as a reactant in photosynthesis, to make usable chemical energy in the form of a sugar.
Answers: 1
Biology, 22.06.2019 09:00
Temperatures in ponds and lakes vary by season. select the best answer from the choices provided t f
Answers: 2
Skeletal muscle tissue and cardiac muscle tissue have some different structures and functions. what...
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