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






2. Type of graph most often used for categorical data






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






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






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






6. A measure of human demand on the Earth's ecosystems






7. The number of different species in an area






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






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






10. Anything that harms an organism






11. Water stored in underground layers of soil and rock






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






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






14. The largest population that an area can support






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






16. The amount of food production in a given area






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






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






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






20. The effect of the IV






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






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






23. An organism that breaks down wastes and dead organisms






24. The process of cutting down only some trees in area






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






26. A consumer that eats only animals






27. Resources supplied by nature






28. Mass destruction of most species






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






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






31. Anything in the environment that is used by people






32. The study of the impact of humans on the environment






33. Moving into a population






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






35. The rate of which a plant grows at






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






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






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






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






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






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






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






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






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






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






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






47. The practice of reducing energy use






48. Liphids - proteins - and carbohydrates






49. Leaving a population






50. Something that breaks down into soil