Food chains and food webs

Grade 6
Chapter 4

​FOOD CHAINS AND FOOD WEBS

Multiple Choice

A food chain is:

• an animal that eats only plants.

• a diagram that shows how energy moves from one organism to another.

• An animal that is hunted and eaten by another animal.

• a diagram that shows how animal live

Multiple Choice

Which of the following is a producer?

Multiple Choice

Sheep are herbivorous. What can you infer from this?

• They are primary consumers.

• They are producers.

• They are secondary consumers.

• They are decomposers.

Multiple Choice

A living thing that breaks down dead plants and animals - such as, fungi, worms, bacteria, is called:

• decomposer

• prey

• predator

• producer

Multiple Choice

An animal that is hunted and eaten by another animal:

• predator

• prey

• scavenger

• decomposer

Multiple Choice

Which of these is a food chain in the food web?

• grass-->mouse-->deer

• rabbit-->snake-->fox

• grass-->mouse-->snake

• mouse-->weasel-->fox

Multiple Choice

An animal that hunts and eats other animals:

• producer

• plants

• predator

• decomposer

Multiple Select

The preys in this food chain are ____

Choose 2 correct answers.

• snake

• mouse

• plant

• eagle

Multiple Select

In this food chain, what will happen if the frogs become extinct?

(Choose 3 correct answers)

• The population of snakes will decrease.

• The grasshoppers will decrease.

• The eagles will remain the same.

• The population of grasshoppers will increase.

• The population of eagles will eventually decrease

Multiple Select

Choose three effects caused by an increase in the mouse population.

(choose two answers)

• The population of grain will increase.

• The population of grain will decrease.

• The population of owls will increase.

• The population of owls will decrease.

Fill in the Blank

The way energy is passed from one organism to another is called ____

Fill in the Blank

Plants are called producers because they can produce their own ...

Fill in the Blank

Who does the mouse get energy from?

Multiple Choice

Study the food chain below.

P--> Q--> R--> S

The producer in this food chain is ....

• P

• Q

• R

• S

Multiple Choice

Study the food web below.

How many food chain in this foodweb?

• 2

• 3

• 4

• 5

Multiple Choice

The arrow in the food chain or food web represents the direction of transferring energy.

• TRUE

• FALSE

Multiple Choice

Study the food chain below.

if toxic substance are eaten by plankton, the organism that may have the greatest amount of toxin in this food chain is ....

• krill

• silverfish

• leopard seal

• orca

Multiple Choice

Grass-->grasshopper-->sparrow-->owl

Study the food chain and bar chart.

What is the mistake of the bar chart?

• bar Grass is shorter than grasshopper

• bar sparrow is lower than grasshopper

• owl bar is shorter than sparrow

• grasshopper is higher than sparrow

Multiple Select

The correct food chain in the food web are ....

(choose two answers)

• grass-->mouse --> hawk

• grass-->rabbit-->frog-->hawk

• grass-->grasshopper-->frog-->snake--> hawk

• grass<--rabbit<--hawk