Check my answer?
which of the following best describes a characteristic that distinguishes an...
Check my answer?
which of the following best describes a characteristic that distinguishes animals from plants?
select one:
a. plants are photoautotrophs, and animals are chemoautotrophs.
b. plant cells have cell walls containing cellulose, and animal cells lack a cell wall.
c. plants reproduce by binary fission, and animals reproduce sexually.
d. plants digest their food externally, and animals digest their food inside their bodies.
i think its b
Answers: 1
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Atypical human cell is approximately 12.00 Ξm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.
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An easy way to calculate the amount of energy available at each level is to what?
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