What type of reproduction includes the binary fission used by single-celled bacteria to produce genetically identical daughter cells?
A) sexual reproduction
B) asexual reproduction
C) fertilization
D) condensation
B
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Scientists have found that bluegill sunfish receive the highest energy return from large Daphnia, an intermediate return from medium Daphnia and the smallest return from small Daphnia. If you were to stock aquaria with equal proportions of small, medium, and large Daphnia, but vary the density of Daphnia from very low to very high, how do you think bluegills would react? Check all that apply.
_____ Bluegills would consume a larger proportion of small Daphnia in the very low density aquaria compared with the medium or high density aquaria. _____ Bluegills would consume equal proportions of large Daphnia in all aquaria. _____ In medium density aquaria, bluegills would select medium sized Daphnia over small or large Daphnia. _____ The tendency to select large Daphnia over small or medium Daphnia will increase as the density of Daphnia in the aquaria increases.
The energy that drives the light-independent reactions comes from ____
a. sunlight b. glucose c. carbon dioxide d. ATP and NADPH e. water and oxygen
The number of chromosomes characteristic of diploid eukaryotic cells, in general
A. is 46. B. can be predicted by the size of the organism. C. varies considerably from 2 to over 1000 in different species. D. changes as each organism grows and ages.
Which region of the Earth receives the least amount of solar radiation during the winter solstice?
A. Southern Hemisphere B. Northern Hemisphere C. equatorial regions D. between 30° North and 30° South E. All of the Earth's regions receive the same amount of solar radiation during the winter solstice.