1. Complete the chart with these elements of an ecosystem: bear flower moss lizard mountain river rocks

salmon snow sunlight temperature tree

2. Read the sentences and complete the puzzle. Then order the letters in the grey boxes to writethe secret word.

Each (1) in an ecosystem

is called an (2) .

A (3) is a group of organisms

that live (4) and belong to

the same species.

Populations of (5) organisms

live together and form a (6) .

(7) relationships exist between

members of different (8) .

(9) relationships exist

between members of the (10)

species.

The secret word is

Ecosystems Worksheet 9.1

Oxf

ord

Uni

vers

ity P

ress

Esp

aa,

S.A

.

Biotope

Biocoenosis

1 2 3 4 5 6 7 8 9 10

O I P T D C I S I S

A I U E F M E C R E

D T E E I P S P

M R

T Y C C

L N

C C

C Y

1. Complete the chart with these elements of an ecosystem: bear flower moss lizard mountain river rocks

salmon snow sunlight temperature tree

2. Read the sentences and complete the puzzle. Then order the letters in the grey boxes to writethe secret word.

Each (1) in an ecosystem

is called an (2) .

A (3) is a group of organisms

that live (4) and belong to

the same species.

Populations of (5) organisms

live together and form a (6) .

(7) relationships exist between

members of different (8) .

(9) relationships exist

between members of the (10)

species.

The secret word is

Ecosystems Worksheet 9.1

Oxf

ord

Uni

vers

ity P

ress

Esp

aa,

S.A

.

Biotopemountain, river, rocks, snow,sunlight, temperature

Biocoenosisbear, flower, moss, lizard, salmon, tree

organism

individual

population

together

different

community

species

same

Intraspecific

Interspecific

E C O S Y S T E M

1 2 3 4 5 6 7 8 9 10

O I P T D C I S I S

R N O O I O N P N A

G D P G F M T E T M

A I U E F M E C R E

N V L T E U R I A

I I A H R N S E S

S D T E E I P S P

M U I R N T E E

A O T Y C C

L N I I

F F

I I

C C

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