Revision on Concept 1.2

Which of these living things is a producer in a food chain?

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How does the lizard get its energy in this food chain?

• The lizard eats the maize.

• The locust eats the lizard.

• The lizard eats the snake.

• The lizard eats the locust.

What would most likely occur if all the snakes died in this food chain?

• The number of eagles would increase

• The number of grasshoppers would stay the same

• The amount of grass would decrease

• The number of frogs would increase

Which of the following is NOT needed by producers to make their own food?

• Water

• Oxygen

• Carbon Dioxide

• Sunlight

The interaction of living and non-living things in a habitat is called ___

• an environment
• an ecosystem
• a food web
• a food chain

Frogs eat ___

• bats
• insects
• spider monkeys
• strangler figs

Where does the energy in a food web come from?

• sun
• producers
• consumers
• decomposers

Which type of organism “recycles” nutrients back into an ecosystem?

• Producers
• Decomposers
• Consumers
• Omnivores

What does a food chain always start with?

• A top predator

• A herbivore

• A producer

Which is the secondary consumer in this food chain:

grass -> grasshopper -> frog -> hawk?

• Grass

• Grasshopper

• Frogs