5. Why are zebra mussels a problem in the Great Lakes but not in the lake systems where they came from?
a. the other lakes are too cold for them to reproduce in large amounts
b. they have natural predators in the other lakes
c. they cannot leave these lakes
d. they cannot grow into colonies
Answers: 2
Biology, 22.06.2019 05:00
Freckles are a dominant trait in humans. both of the girls have the genotype ff for freckles. if either one marries a man with no freckles, what are the chances that their children will have freckles?
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Biology, 22.06.2019 06:30
1. describe the structure and function of the specialized cells you observed in the video. 2. research the types of cells present in the kidney.
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5. Why are zebra mussels a problem in the Great Lakes but not in the lake systems where they came fr...
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