Ecology Review Question Preview (ID: 13710)


Ecology Review. TEACHERS: click here for quick copy question ID numbers.

How much energy is LOST as you go up an energy pyramid?
a) 10%
b) 90%
c) 100%
d) 1%

What gas is most associated with ozone depletion?
a) Chloroflourocarbons
b) Carbon dioxide
c) Nitrogen
d) Sulfur

What organism absorbs nitrogen from the atmosphere?
a) Animals
b) Plants
c) Bacteria
d) Fungus

What process absorbs carbon?
a) Respiration
b) Burning fossil fuels
c) Deforestation
d) Photosynthesis

Logistic growth is shaped like a
a) J
b) S
c) M
d) L

Exponential growth is shaped like a
a) J
b) S
c) M
d) L

Which gas is most associated with the greenhouse effect?
a) Oxygen
b) Water
c) Carbon dioxide
d) Nitrogen

What is an example of an autotroph?
a) Bacteria
b) Plants
c) Bears
d) People

Why are producers always found at the bottom of a food chain?
a) Producers are silly and can't avoid predators.
b) Producers are more numerous than consumers.
c) Producers are larger than consumers.
d) Producers are the only organisms that can use the sunlight directly.

Which of the following is commensalism?
a) Both species benefit
b) Both species are harmed
c) One benefits, one is harmed.
d) One benefits, one does not care.

Which of the following is mutualism?
a) Both species benefit
b) Both species are harmed
c) One benefits, one is harmed.
d) One benefits, one does not care.

Density-independent factors are limiting factors whose effects are _____.
a) confined to the habitat of the population
b) determined by the degree of competition for resources
c) not influenced by population size
d) determined by the difference of birthrate and death rate

What best describes how photosynthesis and respiration move carbon throughout the atmosphere?
a) Producing carbon
b) Absorbing carbon
c) Destroying carbon
d) Recycling carbon

You notice a food chain in your community. Grass is eaten by rabbits, which is eaten by snakes, which is eaten by hawks. If the grass contained poison, which organism would have the MOST poison?
a) Grass
b) Rabbit
c) Snake
d) Hawk

As you go up an energy pyramid, approximately 90% of the available energy is lost. What most likely accounts for this loss of energy?
a) Reproduction
b) Released as heat
c) Used to produce new compounds
d) Absorbed at previous energy levels.

What would best explain why fish populations are drastically declining in lake ecosystems?
a) putting several different species of fish into the lake
b) increasing the size of the lake
c) air pollution created by factories
d) beautification of the lake

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