Ecology Unit Vocabulary

3. The nonliving factors which affect the system - for example weather, natural disasters, drought.
4. A food _________ is a way of showing how food chains are related.
6. A food _________ consists of organisms in which each link feeds on the one ahead and is eaten by the one behind.
10. A symbiotic relationship in which both species benefit from the relationship.
14. The role that an organism plays in its environment.
15. A habitat in which the freshwater of a river meets the salt water of the ocean.
18. The living factors which affect the system - for example predators or food supply.
19. Ocean biome; water contains approximately 3.5% salt.
20. The temperate __________ biome is characterized by a rich mix of grasses and some of the world's most fertile soils.This biome contains warm/hot summers,cold winters and home to large grazing herds.
22. ________ capacity is the maximum number of organisms that the environment can support.
23. An animal that feeds on the remains of a dead organism.
24. An extremely cold, dry biome with permafrost.
25. A consumer that eats other consumers or animals.

1. The environmental factor that is of predominant importance in restricting the size of a population, or any factor that restricts population growth in an area.
2. Areas of standing water such as marches, swamps and bogs; acts as a filter of run off water.
5. A coniferous forest biome characterized by long cold winters and short summers; famous for mountains.
6. A symbiotic relationship in which one member is benefited and the second is neither harmed nor benefited.
7. Water that is not salty or has minute traces of salt, ponds, lakes, streams.
8. A consumer that eats producers and consumers.
9. A tropical grassland with scattered clumps of trees; found in the tropical wet-and-dry climate zone close to the equator.
11. The __________ rainforest is a biome a great,average yearly rainfall. The soil is thin and nutrient poor while containing lush plant life located near the equator.
12. A symbiotic relationship whereby one organism/species benefits from the relationship and the other organism is harmed.
13. A consumer that eats only producers like plants or algae.
16. A hot or cold region that receives less than 25 centimeters of rain a year.
17. The environment in which an organism lives.
21. The __________ forest is a biome characterized by trees that shed their leaves during the autumn. This biome has a mild climate including warm summer seasons and cool winter seasons.