Ecology Test Review: Question Preview (ID: 8732)

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The portion of the Earth which contains all life
a) Population
b) Community
c) Ecosystem
d) Biosphere

The original source of all energy in an ecosystem
a) Sun
b) Producers
c) Primary Consumer
d) Secondary Consumer

Which might be a producer in an aquatic food chain?
a) fish
b) algae
c) killer whale
d) water

An organism that breaks down dead and decaying matter
a) primary consumer
b) secondary consumer
c) scavenger
d) decomposer

The 90% of energy that does not get passed to the next trophic level is lost as
a) food
b) heat
c) animal wastes
d) body fat

Evaporation of water from plants in the water cycle is called what?
a) Nitrogen fixing
b) Decomposition
c) Transpiration
d) Predation

Which of the following would be a limiting factor to a white tail deer population?
a) Predation
b) Disease
c) Human Activities
d) All of the above

Which of the following shows where secondary succession may begin?
a) Lava completely destroys all life and soil
b) A flood washes away all animals and most plants, although some shrubs and trees remain
c) Both are secondary succession
d) Both would be primary succession

Rapidly increasing population which doubles every set amount of time is called
a) slow growth
b) carrying capacity
c) limited factor growth
d) exponential growth

A population which has just enough resources available and is remaining a constant size is at its
a) carrying capacity
b) limiting factor
c) primary succession
d) predatory high

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