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Relationships in Ecosystem

Total questions: 21

Worksheet time: 15mins

Name
Class
Date
1.

These are the organisms that depend with one another.

a)

Producers

Costumers

Denominator

b)

Producers

Consumers

Decomposers

c)

Providers

Colonizers

Dependent

d)

Product

Conduct

Deduct

2.

I am the living thing that can use energy from the sun to make food such as plants and trees.

a)

producer

b)

consumer

c)

decomposer

d)

competition

3.

I am a living thing that must use other organisms as food to get energy because I cannot make my own food.

a)

producer

b)

decomposer

c)

competition

d)

consumer

4.

I am an organism that breaks down and recycles the remains of dead organisms in an ecosystem.

a)

competition

b)

decomposer

c)

producer

d)

consumer

5.

It is one path or line that energy takes from one organism to another in the form of energy.

a)

energy pyramid

b)

food web

c)

spider web

d)

food chain

6.

It consists numbers of food chains that overlap in an ecosystem. All organisms are interrelated with each other

a)

energy pyramid

b)

food web

c)

spider web

d)

food chain

7.

It is a process where living things struggle for their water, food, and other resources.

a)

competition

b)

predation

c)

parasitism

d)

mutualism

8.

What animal is on top of the food chain model?

a)

grass

b)

grasshopper

c)

hawk

d)

snake

9.

What is predator?

a)

an organism that serves as food of other organism

b)

an organism that hunts for food

c)

neither

d)

all of the above

10.

What is prey?

a)

an organism that serves as food of other organism

b)

an organism that hunts for food

c)

neither

d)

all of the above

11.

Identify which is prey in the group.

a)

lion

b)

lioness

c)

tiger

d)

rabbit

12.

What is the other example of predator?

a)

deer

b)

bird

c)

fox

d)

mouse

13.

There is a competition on eating the mouse among to what animals?

a)

bird

grasshopper

rabbit

b)

owl

fox

hawk

c)

owl

frog

snake

d)

grasshopper

bird

snake

14.

Who ate the rabbit?

a)

bird and frog

b)

mouse and owl

c)

hawk and fox

d)

frog and snake

15.

It is a model that shows the amount of energy at each level of a food web.

a)

food chain

b)

food web

c)

energy pyramid

d)

ecosystem

16.

Write the 4 components of energy pyramid

17.

Name the 4 parts of an energy pyramid.

(a)  

18.

How many is the amount energy of producers have?

(a)  

19.

How many percent of amount energy do tertiary consumers have?

(a)  

20.

How many percent of amount energy that the secondary consumers have?

(a)  

21.

How many percent of amount energy that the primary consumers have?

(a)