Which of the following is an example of coevolution?
A) the development of a watertight seed
B) the ability of plants to use sunlight to make their own fuel
C) the visual acuity of eagles and hawks
D) the reliance of flowers and bees on each other
Answer: D
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Skeletal muscle
A) is the muscle tissue of the heart. B) moves the body. C) propels food through the digestive tract. D) contracts the large blood vessels. E) expands the large blood vessels.
Many phenols, such as tannins, act as anti-herbivory compounds by:
A. making the inhibiting microtubule necessary for polymerization. B. binding with proteins to reduce their digestibility. C. binding to active sites of enzymes, preventing their function. D. releasing unpleasant odors that deter feeding. E. reducing animal appetite by damaging the nervous system.
What kind of bonds link amino acids to form the basic sequence of a protein?
a. disulfide b. hydrogen c. ionic d. peptide e. noncovalent
Which of the following is NOT related to solar energy?
A. Solar power tower B. Flate-plate solar collector C. Photovoltaic cell D. Thermal mass E. Hydrogen fuel cell