The hypothesis that closely matches the data provided is:
A. spiders are the top predators on all islands.
B. herbivorous insects survive best on islands where spiders and centipedes live.
C. herbivorous insects and spider populations are decreased by centipedes.
D. herbivorous insects feed on spiders and centipedes.
C. herbivorous insects and spider populations are decreased by centipedes.
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You are genetic counselor, and a couple comes to you with concerns that if they have a child together
it could have sickle-cell disease. Genetic tests reveal that the man and woman are both carriers for sickle-cell disease. Which of the following would be a correct thing to tell them?
a. Any child that they produce has a 50% chance of having sickle-cell disease, and the rest will be carriers. b. All of their offspring will have sickle-cell disease. c. They should not have any concerns, as no child that they produce should wind up with sickle-cell disease. d. No child that they produce should wind up with sickle-cell disease, but each of their offspring will have a 50% chance of being a carrier. e. Any child that they produce will have a 25% chance of having sickle-cell disease.
DNA is made up of a linear array of ____________________. Fill in the blank(s) with the appropriate word(s)
The twining of tendrils around a support is an example of thigmomorphogenesis. Indicate whether the statement is true or false
The several species of finches that developed on the group of islands in the Galápagos are an example of
A. convergent evolution. B. adaptive radiation. C. divergent evolution. D. polyploidy.