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