Life Science

2. Living parts of the ecosystem.
3. The development of new inhabitants to replace the previous community of plants and animals that has been disrupted or disturbed by an event.
4. Dedciduous trees (drops leaves in fall), more rainfall, warm summers, cold winters.
7. An area classified according to the species that live in that location.
9. It is the process which breaks down ______ dioxide into compounds that can be used as nutrition.
11. Evaporation from plants.
14. Cold and long winters, dry, permafrost, can't support trees.
15. Occurs when new land is formed or bare rock is exposed, providing a habitat that can be colonized for the first time.
18. Trees and shrubs are rare, summers warm, winters cold.
19. Anything that constrains a population's size and slows or stops it from growing.
20. Gets more rainfall, trees never loose leaves, warm all year, most diverse land biome.

1. Made up of interconnected food chains that show the relationships between organisms in an ecosystem.
5. Describes how energy and nutrients moves through an ecosystem.
6. Nonliving parts of the ecosystem.
8. The intake of oxygen and the release of carbon dioxide.
10. More rain, long cold winters, no permafrost, has evergreen trees.
12. A repeating cycle of processes during which ________ moves through both living and non-living things.
13. Water (in the form of gas) rises higher in the atmosphere, it starts to cool and become a liquid again.
16. A species' average population size in a particular habitat.
17. Very dry, on every continent, small animals are common, plants adapted to survive with little water.