Ecology Vocab Part 4 Question Preview (ID: 15771)

a) Nitrogen and carbon dioxide

b) Chlorofluorocarbons

c) Nitrous and Sulfurous oxides

d) Oxygen and carbon dioxide

a) Carbon Dioxide

b) Chlorofluorocarbons

c) Nitrogen

d) Oxygen

a) Habitat degradation

b) Habitat loss

c) Habitat fragmentation

d) Deforestation

a) Oxygen

b) Nitrogen

c) Chlorofluorocarbons

d) Carbon dioxide

a) biodiversity is desirable for all living things, including humans

b) extinctions due to human actions are undesirable

c) biodiversity helps both nature and humans

d) all answer choices are correct

a) Toxins move up the food chain, so that predators ingest higher concentrations.

b) Toxins do not break down and remain in the environment for long periods of time.

c) Ingested toxins cannot be metabolized or excreted and are instead stored in the body.

d) Organisms are exposed to low doses of toxins over several years.

a) Biotic

b) Autotroph

c) Abiotic

d) Heterotroph

a) the burning of fossil fuels

b) the depletion of the ozone

c) the occurrence of acid rain

d) the melting of the polar ice caps

a) migrate to new areas on their own

b) are brought to new areas by humans

c) are generally a good thing when introduced to a new habitat

d) play a natural part of a new habitat

a) can disrupt the balance of the natural species with which they become associated.

b) are typically welcomed

c) may become common enough to become pests.

d) 2 of the choices are correct.