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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. Liphids - proteins - and carbohydrates






2. A higer demand of that limited product the the price goes up






3. A consumer that eats only plants






4. The movement or organisms from one place to another






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






6. The largest population that an area can support






7. Anything in the environment that is used by people






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






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






10. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community






11. A consumer that eats only animals






12. The number of different species in an area






13. The first species to populate the area






14. Struggle between organisms to survive in a habitat with limited resources






15. The rate of which a plant grows at






16. Behaviors and physical characteristics of species that allow them to live successfully in their environment






17. A natural resource that is not replaced in a useful time frame






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






19. Countries with strong economies and a high quality of life






20. Farmers who raise food and animals mainly to feed their own families






21. A living part of an organism's habitat






22. The group that does not receive the experimental treatment.






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






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






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






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






27. A group of land ecosystems with similar climates and organisms






28. The condition in which human needs are met in such a way that a human population can survive indefinitely






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






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






31. A carnivore that feeds on the bodies of dead organisms






32. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






33. A series of events in which one organism eats another and obtains energy






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






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






36. A resource that is able to be reused - or can be replenished quickly






37. A grid that displays the data plotted in a chart.






38. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






39. Possible to use again






40. A relationship in which both species benefit






41. An environmental factor that causes a population to decrease






42. The study of how living and nonliving things interact






43. Anything that harms an organism






44. The variable that you manipulate






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






46. A study that compares the costs and benefits to society of providing a public good






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






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






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






50. Organism that is killed