O-LevelBiologyEcology & Environment5090/11 · May/June 2019 · Q291 Mark
Which statement about the organisms at the beginning of food chains is correct?
AThey cause decay and provide minerals for the ecosystem.
BThey feed on animals and recycle energy.
CThey feed on plants and provide food for animals.
DThey absorb nutrients and photosynthesise.
✓ Correct answer
D: They absorb nutrients and photosynthesise.
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