The Living World- APES

Which of the following best shows the process of evolution? A. A lizard's color becomes brown as it sits on a log B. A bear goes into hibernation C. A plant loses its leaves in a drought D. A population of mosquitoes develops resistance to a pesticide E. A population of foxes increases as more prey becomes available

A population of mosquitoes develops resistance to a pesticide

Plant roots absorb ammonium ions and nitrate ions for use in making molecules such as DNA, amino acids, and proteins. A. Nitrification B. Denitrification C. Assimilation D. Ammonification E. Nitrogen fixation

Assimilation

Exemplified by moss growing on a tree trunk in the forest. A. Commensalism B. Parasitism C. Mutualism D. Predation E. Competition

Commensalism

Exemplified by starlings displacing bluebirds from nesting sites. A. Commensalism B. Parasitism C. Mutualism D. Predation E. Competition

Competition

The rapid rate of this process in tropical forests results in low nutrient soils. A. Photosynthesis B. Eutrophication C. Denitrification D. Decomposition E. Transpiration

Decomposition

Of the following organisms, which occupies the lowest trophic level? A. Spider B. Deer C. Lion D. Hawk E. Snake

Deer

Nitrate ions and nitrite ions are converted into nitrous oxide gas and nitrogen gas. (N2) A. Nitrification B. Denitrification C. Assimilation D. Ammonification E. Nitrogen fixation

Denitrification

The process by which a soil nutrient is reduced and released to the atmosphere as a gas. A. Photosynthesis B. Eutrophication C. Denitrification D. Decomposition E. Transpiration

Denitrification

Living organisms must acquire energy from their environment. Examples of adaptations that help organisms acquire this energy include which of the following? I. The dark, heat-absorbing coloration of a reptile II. The fangs and claws of a lion III. The light coloration of a peppered moth A. I only B. II only C. I and II only D. II and III only E. I, II, and III

I and II only

Reasons that the population size of an exotic species often grows rapidly when the species is introduced in a new environment include which of the following? I. The exotic species is resistant to pesticides. II. There is a large, underutilized food source in the new environment. III. The exotic species has few natural predators in the environment. A. I only B. II only C. I and III only D. II and III only E. I, II, and III

II and III only

Which of the following is most likely to be the direct result of lack of genetic diversity in a food crop such as corn? A. Decreased kernel size B. Decreased potential yield C. Decreased dependence on chemical fertilizers D. Increased susceptibility to plant disease E. Increased resistance to pests

Increased susceptibility to plant disease

Exemplified by bees consuming nectar and carrying pollen form one flower to another. A. Commensalism B. Parasitism C. Mutualism D. Predation E. Competition

Mutualism

Ammonia is converted to nitrite, then to nitrate. A. Nitrification B. Denitrification C. Assimilation D. Ammonification E. Nitrogen fixation

Nitrification

The major reservoirs of nitrogen and sulfur in the biosphere are correctly identified by which of the following? A. Nitrogen: rocks, sulfur: rocks B. Nitrogen: rocks, sulfur: vegetation C. Nitrogen: rocks, sulfur: atmosphere D. Nitrogen: atmosphere, sulfur: rocks E. Nitrogen: atmosphere, sulfur: atmosphere

Nitrogen: atmosphere, sulfur: rocks

Exemplified by ticks feeding on a deer. A. Commensalism B. Parasitism C. Mutualism D. Predation E. Competition

Parasitism

The process in which glucose is synthesized by plants. A. Photosynthesis B. Eutrophication C. Denitrification D. Decomposition E. Transpiration

Photosynthesis

In general, which of the following is the best long term method for preventing extinctions? A. Breeding endangered species in captivity B. Protecting the habitats of endangered species C. Paying people not to kill endangered species D. Providing food to endangered species in the wild E. Removing predators form areas that contain endangered species

Protecting the habitats of endangered species

The ultimate source of energy for terrestrial ecosystems is A. Nutrients in soil B. Nutrients in vegetation C. Primary consumers D. Producers E. The Sun

The Sun