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5.It refers to the sequence of events in an ecosystem, where one organism eats another and then is eaten by another organism.
A.food chain
B.ecosystem
C. populations
D.food web


6. Conserving and protecting Mother Earth is everybody's responsibility, as an individual how would you give a solution towards sedimentation problem?

A. Observe, catch and release practices to help keep more fish alive

B. Use non-toxic pesticides to get rid of pests in the garden

C. Plant more native trees alongside rivers and streams

D. Avoid using motorized boats in sensitive habitats

7. Removing one component of the estuarine or any other ecosystem will have an immediate impact on the organisms living in it. If mangrove will disappear from an estuary what will happen to the organisms which take shelter on its roots?
A. Increase in population and live there for a long period of time.

B. Increase in population without any reasons and depart when they grew up.

C.Decrease in population because the organisms are competing and killing each other

D.Decrease in population or move away from that place to find a safer habitat

8. Why estuaries serve as a buffer between land and sea?

A. It protects the land from storms and floods

B.It has nothing to do with anything

C.It stops human and natural calamities

D.It serves as a shelter of farm and forest animals friendly, lifestyle that​


Sagot :

Answer: 5: B

6: C

7: D

8: A

Explanation: