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DSST Environmental Sciences Vocab

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Behaviors and physical characteristics of species that allow them to live successfully in their environment






2. The pattern of overlapping food chains in an ecosystem.






3. The process in which the changes that make organisms better suited to their environments develop






4. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






5. A relationship in which both species benefit






6. The disappearance of all members of a species from Earth






7. The continuous process by which water moves from Earth's surface to the atmosphere and back






8. Something that breaks down into soil






9. An organism that can make it's own food






10. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






11. A close relationship between two species that benefits at least one of them






12. The effect of the IV






13. The act of restricting your food intake (or your intake of particular foods)






14. Something that does not completely break down into the soil






15. Organism that does the killing






16. The organism that benefits by living on or in a host






17. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






18. Mistake in following procedure






19. A species in danger of becoming extinct in the near future






20. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






21. The degree of hotness or coldness of a body or environment






22. When a large fraction of the resource has been used up






23. The typical weather pattern in an area over a long period of time






24. The largest population that an area can support






25. The study of how living and nonliving things interact






26. The community of organisms that live in a particular area along with their nonliving surroundings






27. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






28. The number of different species in an area






29. Liphids - proteins - and carbohydrates






30. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






31. A graph that uses line segments to show changes that occur over time






32. The issue where humans don't take care of the Earth.






33. A species that could become endangered in the near future






34. Water stored in underground layers of soil and rock






35. The process of changing free nitrogen gas into a usable form






36. A chart with bars






37. A consumer that eats only plants






38. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






39. A relationship that involves one organism living on or inside another organism and harming it






40. A state of poor nutrition; lacking enough calories or variety in diet






41. Flaw in design of procedure






42. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






43. People who survive by searching for wild plants and animals; always move in small groups






44. An environment that provides the things an organism needs to live - grow and reproduce






45. Wheat -bairley -corn....carbohydrates






46. The rate of which a plant grows at






47. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






48. All the members of one species in a particular area






49. All the different populations that live together in an area






50. A resource that is not able to be reused - or cannot be replenished quickly