You, as a cell biologist, discover that there is strong evidence that chloroplasts, found in plant and algal cells, are descended from bacteria but not eukaryotes. What theory would explain this finding?
A) endosymbiont B) macroevolution C) bottleneck D) back to front
Answer: A
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A wolf that feeds on moose and elk would be classified within which trophic level?
A. herbivore B. primary producer C. primary carnivore D. secondary carnivore E. detritivore Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you already know about trophic levels? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · 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?
IN SEX REPRODUCTION, GENETIC VARIATION IS ACCOMPLISHED BY ALL EXCEPT?
What will be an ideal response?
Which type of bond is responsible for the linking together of two water molecules?
a. hydrogen b. ionic c. polar covalent d. nonpolar covalent e. isotropic
Aneuploidy refers to an alteration in the number of particular _______.
Fill in the blank(s) with the appropriate word(s).