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