e5568-105508f_u6_5_ccnn

Name:

6

UNIT

1

Class:

Complete the table with the words from the box. commensalism

competition

hierarchical community

host

family group mutualism

parasite

organism lion

gregarious species predator

prey

relationship

 zebra

→

zebra → lion queen ant → worker ant cat → kitten male deer → male deer cattle → egret mosquito → human human → mosquito bee → flower clownfish

2

→

  clownfish

Which relationships in Activity 1 are good for ALL members of the relationship? Which are bad for at least one member of the relationship?

good

1

bad

Natural Science Primary 5 • Downloadable and printable © Ediciones Bilingües, S.L.

6

UNIT

3

4

Look at the food chain. Add labels.

1.

2.

3.

4.

5.

6.

Use words from the box to complete the text. predator

death algae

5

decomposer 

rabbits

predator

bacteria energy

A food chain shows the movement of

in the food chain is (4)

(1)) (1

In fact, the same animal can be both

through throug h an ecosys ecosystem. tem.

.

The Sun is the source of all energy on Earth and

(5)) (5

plants and (2 (2))

are hunted by other animals. The final level

use it

and prey becau because se they

to produce their own food through

is decomposers, such as fungi and

photosynthesis. Plants are eaten by animals

(6)) (6

such as (3 (3))

organisms after their (7 (7))

. The next level

. They eat other .

Follow the instructions. a.

Give two reasons why species become extinct.

b.

Give two examples of things humans can do to preserve biodiversity.

c.

Give two examples of animals that are endangered.

2

Natural Science Primary 5 • Downloadable and printable © Ediciones Bilingües, S.L.