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5.1.1 |
Define species,
habitat,
population,
community,
ecosystem
and ecology.
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5.1.2 |
Distinguish between
autotroph and
heterotroph.
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5.1.3 |
Distinguish between
consumers,
detritivores
and saprotrophs.
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5.1.4 |
Describe what is meant by a food chain,
giving three examples, each with at least
three linkages (four organisms).
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5.1.5 |
Describe what is meant by a food web.
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5.1.6 |
Define trophic level.
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5.1.7 |
Deduce the trophic level of organisms in a
food chain and a food web.
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5.1.8 |
Construct a food web containing up to
10 organisms, using appropriate information.
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5.1.9 |
State that light is the initial energy
source for almost all communities.
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5.1.10 |
Explain the energy flow in a food chain.
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5.1.11 |
State that energy transformations are never
100% efficient.
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5.1.12 |
Explain reasons for the shape of pyramids of
energy.
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5.1.13 |
Explain that energy enters and leaves
ecosystems, but nutrients must be recycled.
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5.1.14 |
State that saprotrophic bacteria and fungi
(decomposers) recycle nutrients.
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