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Silly Science quiz

Total questions: 20

Worksheet time: 20mins

Name
Class
Date
1.

Organism that makes its own food

a)

consumer

b)

producer

c)

decomposer

d)

predator

2.
What does a Primary Consumer eat?
a)
Tertiary Consumers
b)
Secondary Consumers
c)
Producers
3.
Which organism recieves the least amount of energy from the producer?
a)
Owl
b)
Grasshopper
c)
Lilypad
d)
Mouse
4.
The smallest part of the ecosystem is always the ____________.
a)

Primary Producers

b)

Secondary Consumers

c)

Primary Consumers

d)

Tertiary Consumers

5.
In a food web, arrows point at:
a)
who gets energy.
b)
who gets eaten.
6.
What is missing from this food chain?
Grass > Grasshopper > Bird > Snake
a)
Producer
b)
Primary Consumer
c)
Secondary Consumer
d)
Decomposer
7.
If the grasshopper were to be removed completely from the food web, what organism would be most effected?
a)
The squirrel
b)
The shrew
c)
The deer
d)
The rabbit
8.
Decomposers affect all levels of the food web. 
a)
True 
b)
False
9.

Using the food web what would happen if the eagle became extinct?

a)

The frog population would decrease.

b)

The frog population would increase.

c)

The butterfly population would increase.

d)

The snake population would decrease.

10.

Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

a)

There would be a decrease in the small bird population.

b)

There would be a decrease in the grass/flowers population.

c)

There would be a decrease in the mice population.

d)

There would be an increase in the grass/flowers population.

11.
A food web can be broken down into several seperate
a)
food chains
b)
food pyramids
c)
producers
d)
consumers
12.

Which type of organism should replace the X in the food web?

a)

an omnivore

b)

an herbivore

c)

a carnivore

d)

a producer

13.

Which organism is a detrivore?

a)

A bottle brush

b)

A possum

c)

A blue tongue lizard

d)

A worm

14.

Gross primary production refers to:

a)

The amount of energy that has been converted to chemical energy by autotrophs

b)

The amount of food available for the carnivores in a food chain

c)

The amount of energy available for an organism to grow

d)

The amount of energy passed on to herbivores by producers

15.

Why is the biomass of zooplankton larger than for the phytoplankton

a)

phytoplankton are lager than zooplankton

b)

the growth rate of phytoplankton is greater than that of zooplankton

c)

there are fewer zooplankton compared with phytoplankton

d)

zooplankton feed on a variety of organisms, including phytoplankton

16.

What is the energy transfer between the herring and the mackerel?

a)

1%

b)

5%

c)

10%

d)

45%

17.

Identify a producer

a)

Termites

b)

Wattle tree

c)

Wombat

d)

Crickets

18.

This pyramid is known as a ...

a)

An ecological pyramid

b)

A pyramid of energy

c)

A pyramid of biomass

d)

A pyramid of numbers

19.

Is coral a living thing

a)

yes

b)

yes

c)

yes

d)

Yes

20.

when is the great barrier reef

(a)