MYP1
Name: ………………………..…. class:………………
Food chain worksheet
1. The drawings below show four living things found in a forest.
• Caterpillars eat oak leaves.
• Owls eat blackbirds.
• Blackbirds eat caterpillars.
(i)
Complete the food chain for these four living things.
Level (1-2)
……………………..  .................................  ...................................................................
(ii) Why the oak tree is called a producer? Select the correct box.
It loses its leaves
in autumn.
It makes food by
photosynthesis.
Its flowers are
tiny.
Its leaves will not
rot.
MYP1
2. Look at the food chain below and answer the questions:
(i) Draw the arrows. Write below if they are a producer, predator or
prey.
(ii)
What do the arrows show?
......................................................................
(iii) Explain what is happening in the food chain above:
………………………………………………………………………………
………………………………………………………………………………
………………………………………………………………………………
…………………………………………………………..
(iv)
What in the food chain above is the secondary consumer? Why?
………………………………………………………………………………
………………………………………………………………………………
(v)
What in the food chain above is the herbivores?
…………………………………………………………
(3) Recall the meaning of:
MYP1
(level 3-4)
(i) ecosystem
.........................................................................................................................................................
………………………………………………………………………………………………………………..
(ii) carnivores:
..............................................................................................................................................................
…………………………………………………………………………………………………………………..
(iii)
food chain
……………………………………………………………………………………………………………………
…………………………………………………………………………………………………………………..
(4) On one oak tree, there were two types of caterpillar.
All the caterpillars were eating the leaves.
The number of gypsy moth caterpillars increased.
Apply your understanding to solve the following questions:
(i)
What happened to the number of orange-striped caterpillars?
(Level 5-6)
MYP1
...............................................................................................................
Explain your answer.
......................................................................................................................
......................................................................................................................
(c) There are no caterpillars on the oak tree in autumn.
Suggest a reason for this.
......................................................................................................................
......................................................................................................................