............. they are too small organisms that can't be seen by eyes
Microorganisms
small fish
...........energy transferred to the primary consumer when it feeds on plant
Secondary consumer
Primary consumer
Decomposer
If the temperature of water increase the sea birds will die
False
True
Seabirds feed on ............
plants
microorganisms
The first source of energy is the .........
sun
water
moon
Food webs can be destroyed due to pollution
Leakage of oil into seawater ................ affects the marine organisms.
positevely
negatively
Coral reefs harmed by feeding on plastic
If there are many top predators in the food web ...................
the other organisms in the food web may be harmed
the food web in the ecosystem may be destroyed
the desert ecosystem may be harmed
If There is a heavy rain in the desert...........
the desert ecosystem may be improved
If there is a drought and all the grass dies ..........
..............When water is very warm, coral reef will get rid of the algae living in their tissues it make coral reefs turn completely into white.
blushing coral
Coral bleaching
destroying coral reefs
Microorganisms make their own food and live in ........... habitats
cold water
cold land
hot water
Overfishing in seas and oceans
can't affect the ecosystem
can affect the ecosystem
................provide food and shelter for large numbers of fish and other marine organisms
Coral reef
Seabirds build their nests on the topof mountain cliffs
If there is a gentle rain in the desert ............
Energy ........ created or destroyed but it transfers.
can’t be
can be
....................are producers in the marine food web
seabirds
The ........... feed on microorganisms that float on the surface of the sea
Seabirds