Living Things

1. Fish breathe through ____________.
4. The six legs of an insect are attached to its _______________.
5. This group of living things can only be seen under a microscope.
7. A bird has _________________ to keep it warm.
10. This animal is a special fish that gives birth to its young alive.
13. All living things _______________ to changes around them. When you touch a snail, it will hide in its shell.
14. Fish and reptiles have _____________ as their outer body covering.
16. This special mammal lays eggs instead of giving birth to its young alive.
17. Mammals feed their young with ____________.

2. Plants need ________________ to make its own food.
3. This group of animals have hair/fur as the body outer covering.
4. All insects have ____________ body parts; the head, the thorax and the abdomen.
6. This group of animals breathe through lungs on land and moist skin underwater.
8. All living things need to _________________ so that their kid/species do not get extinct.
9. This is a green substance found in leaves that trap light for the leaves to make food for the plant.
11. All living things grow and eventually ___________.
12. All living things ____________. They increase in size and height.
15. All non-flowering plants and fungi reproduce by _______________.