ECOLOGY Question Preview (ID: 22405)


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living things made of just one cell.
a) nitrogen
b) bacteria
c) oxygen
d) sugars

foods made of carbon, oxygen, and hydrogen atoms.
a) cycle
b) release
c) carbon
d) sugars

a nutrient, symbol C, that helps living things grow
a) carbon
b) oxygen
c) carbon dioxide
d) bacteria

a group of similar living things that can reproduce.
a) matter
b) atoms
c) endangered species
d) species

an environment and everything that lives in it.
a) ecosystem
b) individual
c) species
d) energy

substances that living things need to survive and grow.
a) ecosystem
b) nutrients
c) populations
d) reproduce

living things that eat OTHER living things for food.
a) producers
b) decomposers
c) consumers
d) primary

a nutrient that is part of many living and nonliving things on Earth.
a) carbon
b) nutrient
c) cycle
d) matter

living things that make their own food.
a) decomposers
b) oxygen
c) producers
d) species

living things that break down dead material for food.
a) nutrients
b) decomposers
c) species
d) bacteria

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