2		Some birds travel to warmer lands- this is called---- (9)
5		Spiders are not insects they are. (9)
8		Fruit of this tree is an acorn. (3)
9		Animals that eat only meat. (10)
11		Small nocturnal animal which flies. (3)
13		The process which lets leaves make their own food. (14)
16		Animals with a spinal cord protected by a backbone. (11)
19		Fish breathe oxygen through their-- (5)
20		A squirrel's nest is called. (4)

1		An animal which feeds on its mother's milk. (6)
3		A baby frog is called --- (7)
4		A place where creatures live. (7)
6		Animals that eat only plants. (10)
7		Animals withoout a backbone. (13)
10		A snake is this type of creature. (7)
12		A frog is this type of creature. (9)
14		A badger's home is called. (4)
15		Organ which pumps blood around the body. (5)
17		A caterpillar eventually changes into a --- (9)
18		Trees which lose their leaves. (9)