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Coral Reefs (Grade 6 Science)

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

The interactions between biotic and abiotic factors form an ecosystem.

a)

ECOLOGY

b)

ECOSYSTEM

2.

It is an interaction wherein organisms compete for survival.

a)

Mutualism

b)

Competition

c)

Predation

3.

are the home of the different types of fish, invertebrates, and sea mammals.

a)

Coral Refs

b)

Corral Reefs

c)

Coral Reefs

4.

Marine plants and animals researched Coral Reefs as a potential source of medicine.

a)

TRUE

b)

FALSE

5.

It is a kind of interaction in which one organism kills smaller organisms for food.

a)

Mutualism

b)

Competition

c)

Predation

6.

Their objective is to restore coral reefs that had been damaged both by man-made and natural disasters.

a)

Waves for Water

b)

RVS 4 Star Mariculture Coral Farm

c)

Greenpeace Philippines

7.

Coral Reefs are NOT plants. They are animals that are relatives of jellyfish and anemones.

a)

TRUE

b)

FALSE

8.

What is the primary source of energy for the Coral Reefs ecosystem?

a)

SUN

b)

AIR

c)

WATER

9.

It is a type of symbiotic relationship where all species involved benefit from their interactions.

a)

Mutualism

b)

Competition

c)

Predation

10.

Reef structures serve as natural breakwaters which minimize wave impacts from storms like cyclones, hurricanes, and typhoons.

a)

TRUE

b)

FALSE