food chains

1. Food chains
Target
To understand the term food
chain.

2. Feeding Types
Consumers cannot make their own food.
They must consume other organisms.
Organisms may be producers.
Producers make their own food.

3. Producer or consumer?

4. Key wordsKey words
 Producers – make their own foodProducers – make their own food
(plants).(plants).
 Consumers – eat plants or animals forConsumers – eat plants or animals for
food.food.

5. Consumers
Carnivores
These consumers eat other consumers
or we might say they eat animals.
Herbivores
These consumers eat producers
or plants and bacteria.
Omnivores
These consumers eat both other consumers
and producers. So we might say they eat
animals and plants. A bit like us!

6. Key wordsKey words
 Producers – make their own foodProducers – make their own food
(plants).(plants).
 Consumers – eat plants or animals forConsumers – eat plants or animals for
food.food.
 Herbivores – eat plants only.Herbivores – eat plants only.
 Omnivores – eat plants and animals.Omnivores – eat plants and animals.
 Carnivores – eat animals only.Carnivores – eat animals only.

8. Food Chains
Food chains show us what is eaten by what.
Look at the food chain below:
grass  rabbit fox
The  shows the direction of energy flow in the chain. We
can imagine that the arrow means ‘eaten by’, so energy is
transferred in the direction of the arrow.
So this food chain says:
Note that food chains always start
with a producer.
Grass is eaten by the rabbit, which is eaten by a hawk.

10. Ranking Consumers

11. Food chainsFood chains
 Key points:Key points:
 Food chains show what eats what.Food chains show what eats what.
 Start with producers (plant) and withStart with producers (plant) and with
arrows show what eats what.arrows show what eats what.
 End of food chain is the tertiaryEnd of food chain is the tertiary
consumer (top predator).consumer (top predator).
Core Science 1 – Pages 92 and 93Core Science 1 – Pages 92 and 93

12. QuestionsQuestions
Core Science 1 – Pages 92 and 93Core Science 1 – Pages 92 and 93

13. AnswersAnswers
 ConsumersConsumers
 CarnivoresCarnivores
 ProducersProducers
 HerbivoresHerbivores
(a) Animals that eat other(a) Animals that eat other
animals to survive.animals to survive.
(b) Animals that eat(b) Animals that eat
plants in order toplants in order to
survive.survive.
(c) Animals that eat(c) Animals that eat
plants or other animalsplants or other animals
to survive .to survive .
(d) Plants that capture(d) Plants that capture
the sun’s energy andthe sun’s energy and
store it as food.store it as food.
(a)
(b)
(c) (d)(b)
(b)
(b)
(a)
(a)
(a)
(c)
(c)
(c)
(d)
(d)
(d)
Key Words

14. AnswerAnswer
Sorry that is wrong.Sorry that is wrong.
Try again!Try again!
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15. AnswerAnswer
That is the right answer!!!That is the right answer!!!
Well doneWell done
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