Page 18 - prim 5 booklet 2025 modified
P. 18
Delta Modern Language Schools
Science department
Grade 5
1st term 2024 -2025
What would happen if... ? Result Reason
There is a gentle rain in The desert ecosystem may Because rainwater will feed
the desert. be improved. the plants (producers) which
will feed the organisms.
There is a heavy rain in The desert ecosystem may
the desert. be harmed. Because the water of heavy
rain will cause flooding which
There is a drought and all The food web in the will destroy the ecosystem.
the grass dies. ecosystem may be
destroyed. Because the plants will die
and also the organisms will
There are many top The other organisms in the die.
predators in the food web. food web may be harmed. Because the top predators
will eat all the organisms
Marine food web
Algae produceTheir the zooplankton, The sea star feeds on the
own food. clam and sea urchin clam, coral feed on the
feed on the algae.
zooplankton.
The shark feeds on sea Butterfly fish and trigger
star, Butterfly fish, fish feed on coral,
parrotfish and trigger fish . parrotfish feeds on coral
and sea urchin.
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