Charles Darwin called choosing a mate based on its color or some other characteristic:a
sexual selection.
b. gamete selection.
c. sexual orientation.
d. gametic preference.
e. postzygotic selection
a
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The thermocline prevents ____ the top layer of the limnetic zone and the deep profundal zone
a. plankton growth in b. vertical mixing between c. autumn overturn in d. photosynthesis in e. detritus formation in
Which of the choices below can be used to correctly begin the following sentence? _______________ have a plasma membrane
A. All cells B. All animal and plant cells, but not bacterial cells, C. All bacterial cells, but not animal and plant cells, D. All plant and bacterial cells, but not animal cells,
Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
What will be an ideal response?
Darwin proposed natural _________, the idea that environmental conditions favor certain traits, as the mechanism of evolution.
Fill in the blank(s) with the appropriate word(s).