Environment 2

1. Too much water can _________ plants and animals, as when there is a flood.
4. Most organisms cannot survive in extreme _____________, that is water that are too hot or too cold.
7. Plants need _________ to make food during photosynthesis.
8. Some bacteria and ___________ break down dead and waste matter into simpler forms which plants can use as nutrients for growth.
9. If there is a lack of ___________, as in a famine, many organisms will die.
10. Organisms ________ for food, water, nutrients, air and light.Those which cannot compete are less likely to survive.
12. Some micro-organisms can cause _____________. They can make other organisms unhelathy or even die.
13. Organisms need ____________ to carry out an important life processes, otherwise they will die.
14. Plant, such as trees, provide ___________ and protection to some organisms.

2. Earthworm that lives in the soil helps to _________ the soil. This help the plant roots to grow an the plants to survive.
3. Plants need __________ to make food during photosynthesis.
5. _______________ in the air can affect the health and survival of organisms.
6. The ____________ of an organism is made up of all the factors in its surroundings which can affect its growth, development or survival.
11. Other than other organisms, the environment includes ______________ characteristics such as air, water, temperature, light and soil.