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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. A nonliving part of an organism's habitat






2. Rice - corn - potatos - wheat - soy beans






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






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






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






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






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






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






9. The process by which molecules of liquid absorb energy and change to gas






10. A living part of an organism's habitat






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






12. The effect of the IV






13. A relationship in which both species benefit






14. Moving into a population






15. A species that influences the survival of many others in an ecosystem






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






17. Water stored in underground layers of soil and rock






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






19. An organism that breaks down wastes and dead organisms






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






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






22. A graph that highlights segments of a circle to show simple distribution patterns






23. Flaw in design of procedure






24. Resources supplied by nature






25. The study of how living and nonliving things interact






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






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






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






29. A habitat in which the freshwater of a river meets the salt water of an ocean






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






31. A consumer that eats only plants






32. An environmental factor that causes a population to decrease






33. Anything in the environment that is used by people






34. The rate of which a plant grows at






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






36. Liphids - proteins - and carbohydrates






37. Any form of water that falls to the Earth's surface






38. An organism that obtains energy by feeding on other organisms






39. A material that cannot be recycled or reused






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






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






42. A relationship in which one species benefits and the other is neither helped nor harmed






43. Countries with less productive economies and a lower quality of life






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






45. Leaving a population






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






47. The number of different species in a given area






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






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






50. The amount of food production in a given area