Ecosystem Review

7. when a wall of water quickly sweeps over an area
9. when water slowly climbs over the edges of a river
11. when plants and animals compete for ___________, some will get them and some will not
13. indicates the position that the organism occupies in the food chain
15. the 1st trophic level; an organism that can make its own food
16. shows the amount of energy that moves from one trophic level to another in a food chain
17. the 2nd trophic level; a consumer that only eats plants
20. the maximum number of organisms that can survive in a particular ecosystem
22. these can affect the number of organisms an environment can support
23. changes in the environment are due to __________ ________
24. uses pictures or words and arrows to show the movement of energy through the tropic levels of organisms
25. all the individuals of a given species in an area at a certain time
26. when organisms move in from another environment
27. large areas of ground movement of rock, earth, or debris that flow on slopes due to gravity
29. one or more communities in an area which are classified as biotic or abiotic
31. an organism that eats both plants and animals

1. the temperature and amount of rainfall in a particular environment
2. individual ecosystems grouped together according to the climate and vegetation of that environment and adaptations of organisms in that environment
3. factors that include the nonliving parts of the ecosystem
4. some of the effects of _________ include the ability of some seeds to open and germinate, an increase in air pollution, habitat destruction, or destroying homes and property
5. factors that include the living parts of the ecosystem
6. the role of an organism in its environment including the type of food it eats, how it obtains its food, and how it interacts with other organisms
8. the top trophic level; an organism that consumes other animals
10. describes the organisms found in interconnecting food chains using pictures or words and arrows
12. when part of the population leaves the environment
14. the number of organisms in the given amount of space
18. rate the number of births in a population during a certain amount of time
19. the place where an organism lives in order to obtain its food, water, shelter, and other things needed for survival
21. all the different populations in a specific area at a certain time
27. one way that wildfires start
28. rate the number of deaths in a population during a certain amount of time
30. an unusually high water stage in which water overflows its natural or artificial banks onto normally dry land