Science Question Preview (ID: 1820)


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Which of the following is a producer?
a) a cow
b) a mushroom
c) a bettle
d) an oak tree

Decomposition is carried out by ____.
a) fungi
b) heterotrophic bacteria
c) both A and B
d) none of the above

Tertiary consumers feed on
a) producers
b) promary consumers
c) secondary comers
d) none of the above

Solar energy is first transformed by ______ when it enters an ecosystem.
a) producers
b) primary consumers
c) secondary consumers
d) detritivores

In the food chain: acorns > squirrels > fox > bacteria, the fox is a _______.
a) producer
b) primary consumer
c) secondary consumer
d) detritivores

An example of an omnivore is a _______.
a) rabbit
b) chipmunk
c) beech tree
d) snake

Nitrogen is needed to produce ___________.
a) amino acids
b) nucleic acids
c) both a and b
d) none of the above

Plants need bacteria to incorporate _____________ into organic compounds.
a) carbon
b) nitrogen
c) oxygen
d) neon

The evaporation of water from plants is called
a) respiration
b) distillation
c) transpiration
d) fermentation

Which of the following is contributing to the overload of the carbon cycle?
a) photosynthesis
b) deforestation
c) cellular respiration
d) all of the above

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