Ecology Review 2

Which of the following is not a way carbon is released into the atmosphere?

• photosynthesis

• respiration

• burning fossil fuels

• volcanoes

Kyle is making a drawing in his notes to summarize the carbon cycle. What is the only step in Kyle's drawing that should show carbon dioxide from the atmosphere being taken in and used by living organisms?

• combustion

• photosynthesis

• respiration

• fossil fuel formation

A lion hunts and eats a giraffe. What two ecological terms describe the lion?

• autotroph and consumer

• heterotroph and producer

• autotroph and carnivore

• heterotroph and carnivore

A stable ecosystem can have high biodiversity because each species in that ecosystem...

• occupies a different niche (job)

• inhabits a different environment

• is part of a different community

• lives in a different biosphere

Which factor could have caused an increase in a deer population in a forest ecosystem?

• increase in predators

• decrease in food

• competition for food with rabbits

• increases in food

Which of the following would cause the change in the moose population from the years 1990 - 1995?

• emigration

• decrease in food

• immigration

• increase in predators

Which of the following would lead to primary succession?

• a forest fire

• a lava flow

• a severe storm

• abandoned farm land

What is the pioneer species in the picture?

• small plants

• grasses and herbs

• shade-tolerant trees

• lichens

Which sequence of events best describes secondary succession?

• lichens->shrubs->small trees->forest

• lichens-->small trees-->shrubs-->forest

• grass-->shrubs-->small trees-->forest

• grass-->small trees-->oak trees-->shrub

Which of the following could occur as a result of deforestation?

• Carbon dioxide levels in the atmosphere could increase and contribute to global warming problems.

• Acid rain could lower the pH of rivers and lakes to dangerous levels for aquatic life.

• Plants and animals could become better adapted to living in desert conditions.

• Future generations of humans could have an excess of wood and paper products.