Flow Of Energy Through Ecosystems Question Preview (ID: 2098)
How Does Energy Flow Through An Ecosystem?
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Organisms that make their own food through photosynthesis or chemosynthesis:
a) consumer
b) both 2 and 3
c) autotroph
d) producer
The arrows in a food web show:
a) which organism eats another
b) order from smallest to largest
c) the direction the sun shines
d) which direction the energy flows
Only about __________ of the original energy is available to passed on at every trophic level.
a) 100
b) 10
c) 20
d) 50
Producers store ____________________ energy in the form of ____________ energy.
a) radiant, chemical
b) thermal, chemical
c) thermal, electrical
d) chemical, radiant
Organisms that must consume other organisms for food:
a) chemotroph
b) producers
c) heterotroph
d) autotroph
How are decomposers different from detritivores?
a) they are less complex
b) they are sessile
c) they are producers
d) they are more complex
A food chain always begins with a ____________________.
a) consumer
b) plant
c) producer
d) animal
Some organisms produce food through the process of chemosynthesis. These organisms do not need ___________ to make food and live.
a) minerals
b) sunlight
c) water
d) raw materials
A________________ consumer eats producers.
a) primary
b) top
c) tertiary
d) secondary
Omnivores eat:
a) plants and animals
b) jelly beans only
c) animals only
d) plants only
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