Which biome receives an average of 2 meters of rain per year and has a dense, leafy canopy of trees?
a) tropical rain forest
b) boreal forest
c) tropical dry forest
d) temperate deciduous forest
Ans: a) tropical rain forest
You might also like to view...
Which of the following is an example of herd immunity?
A) Brucellosis is no longer found in farm animals in the United States. B) If 70% of the population is immunized against polio, the disease will be essentially absent from the population. C) Federal law requires that all cattle not immune to anthrax be destroyed. D) All farm animals used for food must be immunized against all the common agents of disease that infect humans.
Tariff protection
a. encourages the optimum use of scarce resources. b. has no impact on use of scarce resources. c. prevents the optimum use of scarce resources. d. eliminates the scarcity of resources.
The glandular secretions involved in digestion that would most likely be released as inactive precursors are
A. acid-neutralizing bicarbonate B. protein-digesting enzymes C. fat-solubilizing bile salts D. carbohydrate-digesting enzymes
Two populations of birds with somewhat different coloration live on opposite sides of a peninsula. The habitat between the populations is not suitable for these birds. When birds from the two populations are brought together, they produce young whose appearance is intermediate between the two parents. These offspring will breed with each other or with birds from either parent population, and all offspring of these pairings appear intermediate to various degrees. What keeps the two populations separate?
A. lack of hybrid viability B. behavioral reproductive isolation C. temporal reproductive isolation D. habitat isolation