Using the product rule, determine the probability that an Aa individual will be produced from an Aa x Aa cross.
a) 25%
b) 50%
c) 75%
d) 100%
e) 0%
Answer: b) 50%
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Many organisms grow in areas where sun and nutrition sources are poor, such as the hydrothermal vents at the bottom of the ocean. By what process do these organisms make their own food?
a. photoautotrophy b. diffusion c. chemoautotrophy d. predation
Almost as much evidence exists to support the hypothesis of transformation as the theory of common descent
Indicate whether the statement is true or false
Endosymbiosis is a current theory that explains the origin of
A. eukaryotic cells from prokaryotic cells. B. some eukaryotic algae from other eukaryotic cells. C. both eukaryotic cells from prokaryotic cells and the origin of some eukaryotic algae from other eukaryotic cells. D. None of these answers is correct.
Which aquatic zone will provide a habitat for invertebrates and many small fish?
A. limnetic zone B. littoral zone C. epipelagic zone D. profundal zone