Science Vocab

3. an interacting group of various species in a common location
5. Situation in which the number of individuals of a given species exceeds the number that its environment can sustain.
6. the rivalry between or among living things for territory, resources, goods, mates, etc
8. a community of living organisms (plants, animals and microbes) in a particular area
12. anything that constrains a population's size and slows or stops it from growing
15. the interconnectedness that different organisms are observed to have regarding their relationships with other life forms.
16. consists of all the food chains in a single ecosystem.
18. a species' average population size in a particular habitat
20. any single identifiable source of pollution from which pollutants are discharged, such as a pipe, ditch, ship or factory smokestack
23. the act of changing something or changing your behavior to make it suitable for a new purpose or situation
24. all the organisms of the same group or species that live in a specific area and are capable of breeding among themselves.
25. an organism that creates its own food or energy.
27. caused by rainfall or snowmelt moving over and through the ground
28. one that an organism develops as a result of experience.
29. a substance or object in the environment required by an organism for normal growth, maintenance, and reproduction

1. the place where organisms live or occupy
2. the difference in DNA sequences between individuals within a population.
4. the role an organism plays in a community.
7. the variety of all living things and their interactions.
9. the ability of biological systems to remain healthy, diverse, and productive over time.
10. a specific characteristic of an individual.
11. a submerged structure placed on the substratum (seabed) to mimic characteristics of a natural reef
13. occurs when there is more water than land can absorb
14. harvesting a renewable resource to the point of diminishing returns.
17. the study of organisms and how they interact with the environment around them
19. a non-living part of an ecosystem that shapes its environment
21. organism that cannot produce its own food and must eat other plants and/or animals to get energy.
22. the process through which populations of living organisms adapt and change.
26. of or relating to living organisms