1
P
H
Y
6
S
I
C
A
L
19
C
R E
5
P
E
Y
9
D
P
A T
7
T R U C T
E
O
U
R
R A
3
H
L
4
O S
8
Y
M
B
T
M I
O P U L A T I O N
2
E
C
O
U T U A L I S M
O
G
Y
10
C
12
D
17
P
E
R
11
H
I S E A S E
T
U
13
A
R D
16
B E H A
P
V I
14
F
O
O
D
S
U R
15
W
A
T
L
A R A S I T E
A
18
E
S
A B I T A T
O
M
P
E
T
I
I
T
E O
N V I R O N M E N T
O M M U N I T Y
I
20
E C O S Y S T E M
N
1. Animal that hunts and eats prey.[8]
3. Organism on or in which a parasite lives.[4]
6. Type of adaptation relating to an organism's shape and size.[10]
8. Relationship where animals of different species help each other.[9]
9. Number of organisms of a species in an area at a particular time.[10]
11. Place where an organism lives.[7]
12. Factor that affects population numbers.[7]
16. Type of adaptation relating to an animal's actions.[11]
17. Organism that feeds off another e.g. tick.[8]
18. Living and non-living surroundings.[11]
19. All the organisms in a given area at a given time.[9]
20. A natural unit of living and non-living parts that interact to produce a stable system.[9]
1. Non-living or abiotic.[8]
2. Study of interrelationships of living organisms with their surroundings.[7]
4. "Living together" of organisms of different species for a long period of time.[9]
5. Animal that is eaten by a predator.[4]
7. Example of a physical factor in the environment is water and air ____.[11]
10. Relationship where two different organisms use the same resource such as food.[11]
13. Characteristic of an organism that enables it to function more effectively in its surroundings.[10]
14. Example of an important living or biotic factor.[4]
15. Example of an important physical factor is amount of drinking ____.[5]