Science Chapter 1D Ecosystems And Biomes Question Preview (ID: 41406)


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Organism that captures energy from the sun and stores it as food
a) decomposer
b) producer
c) abiotic
d) consumer

nonliving parts of an ecosystem
a) abiotic
b) biotic
c) decomposer
d) producer

organisms that break down dead matter into simpler compounds
a) producers
b) consumers
c) decomposers
d) abiotic

living parts of an ecosystem
a) biotic
b) abiotic
c) food chain
d) food web

feeding relationship between a producer and a single chain of consumers
a) food chain
b) food web
c) coniferous
d) decomposer

model of the feeding relationships between many consumers and producers
a) food chain
b) food web
c) coniferous
d) decomposer

All living things on Earth uses this element as an important building block in food and living matter
a) oxygen
b) nitrogen
c) carbon
d)

Lightning strikes break apart or fix this element
a) oxygen
b) nitrogen
c) carbon
d)

What factor is LEAST important in determining plant life in a biome?
a) average annual rainfall
b) type of animals living there
c) average annual temperature
d)

What is the process by which water in rivers, lakes, and oceans is converted to a gas?
a) precipitation
b) condensation
c) evaporation
d)

Which best describes the components of an ecosystem?
a) light, water, soil
b) autotrophs and heterotrophs
c) biotic and abiotic factors
d)

What is the primary source of energy for most ecosystems?
a) water
b) carbon
c) sunlight
d)

Which organism is a decomposer?
a) vulture
b) fungi
c) musk ox
d)

Plants use this gas as part of the process of photosynthesis to produce sugars
a) carbon
b) nitrogen
c) carbon dioxide
d)

Animals can use nitrogen directly from nitrogen gas
a) True
b) False
c)
d)

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