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Mangroves, Coral Reefs & Ecosystem

Total questions: 23

Worksheet time: 8mins

Name
Class
Date
1.

Corals are types of

a)

plants

b)

rocks

c)

animals

d)

algae

2.

The polyps of ______________ make hard skeletons that build up to form a reef.

a)

stony corals

b)

soft corals

c)

algae corals

d)

sea fan corals

3.

How do coral reefs help protect coasts from erosion?

a)

They provide shelter for animals

b)

They keep soil from moving

c)

They are home to thousands of living things

d)

They stop storms from forming

4.

Most coral reefs are ___________________

a)

in warm areas near the shore

b)

in warm areas away from the shore

c)

in cold areas near the shore

d)

in cold areas away from the shore

5.

How is a barrier reef different from a fringe reef?

a)

A barrier reef is home to many different types of sea life.

b)

A barrier reef is shaped like a circle and forms outside of a sinking island.

c)

A barrier reef follows the natural shoreline of the land.

d)

A barrier reef has a large, deep area of water between it and the shore.

6.

Which of the following is an example of coral reefs being fragile?

a)

an eel hiding in a hole of a coral reef

b)

a golden butterflyfish living near a coral reef

c)

a boat breaking off a piece of a coral reef

d)

a lobster feeding near a coral reef

7.

What can you infer about the author's point of view from this book?

a)

Coral reefs are not worth the time and money it would take to protect them.

b)

Coral reefs are interesting places to study dead coral.

c)

Coral reefs are beautiful but serve no purpose to people.

d)

Coral reefs should be visited by more people.

8.

What are the living and nonliving things in an environment or area?

a)

predator

b)

producer

c)

ecosystem

d)

abiotic factor

9.

An organism that can make its own food

a)

decomposer

b)

producer

c)

consumer

10.

Breaks down and feeds on the remains of other organisms

a)

decomposer

b)

consumer

c)

producer

11.

Small consumers that are hunted and eaten by larger consumers

a)

producer

b)

prey

c)

predator

12.

Interacting food chains found in an ecosystem

a)

food web

b)

food chain

c)

predator

13.

An animal that hunts and eats other animals for energy

a)

prey

b)

predator

c)

decomposer

14.

These organisms cannot make their own food; they must eat something for energy

a)

decomposer

b)

consumer

c)

producer

15.

Choose the producer.

a)

rock

b)

tree

c)

cow

d)

bird

16.

Choose the decomposer.

a)

grass

b)

elephant

c)

bacteria

d)

bird

17.

Where does the food chain START?

a)

with consumers that eat grass

b)

with the sun giving energy to producers

c)

with the sun giving energy to consumers

d)

with consumers eating other consumers

18.

Which of these living things is a producer?

a)

horse

b)

cow

c)

fly

d)

grass

19.
A snake 
a)
ecosystem 
b)
organism 
c)
population 
20.
snakes, mice, small birds, crickets, hawks, cactus, tumbleweed
a)
organism
b)
community
c)
population 
21.
plants, rocks, air, sunlight, water, 
a)
ecosystem 
b)
population 
c)
community 
22.
soil 
a)
abiotic 
b)
biotic 
23.
a dead plant 
a)
abiotic 
b)
biotic