Most of the aquatic macroinvertebrates in a stream are
a. clams.
b. insect larvae.
c. worms.
d. arthropods such as crayfish.
a
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There is evidence that increased levels of CO2 in the atmosphere may increase Earth's surface temperature. How might this affect the spread of mosquitoes and malaria? Select all that apply
A. Warmer temperatures may increase the habitat range of mosquitoes. B. Warmer temperatures may result in malaria cases in new regions. C. Warmer temperatures will have no affect on mosquitoes or the incidence of malaria. D. Warmer temperatures will kill off mosquitoes, thereby decreasing malaria cases.
Medications designed to block mast cell granules from being released are most useful for what type of hypersensitivity?
What will be an ideal response?
Climbing plants, such as vines, rely on touch to navigate and develop tendrils that coil around objects they encounter. Roots also rely on touch to navigate their way through the soil. When roots come into contact with an object, they generally grow in a direction away from the object. Based on this information, which of the following statements is true?
A. The tendrils are displaying a negative thigmotropic response while the roots are displaying a positive thigmotropic response. B. The tendrils are displaying a thigmotropic response while the roots are displaying a thigmonastic response. C. The tendrils are displaying a positive thigmotropic response while the roots are displaying a negative thigmotropic response. D. Both tendrils and roots are displaying thigmonastic responses to an object in the environment. E. The tendrils are displaying a thigmonastic response while the roots are displaying a thigmotropic response.
What is the difference between fats and oils?
A) Oils are mostly made of saturated fat. B) Fats are always healthier as long as they are mostly saturated. C) Oils are liquids and fats are solid at room temperature. D) Fats are mostly made of unsaturated fat.