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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. An organism's particular role - or how it makes its living






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






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






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






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






6. The effect of the IV






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






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






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






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






11. Liphids - proteins - and carbohydrates






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






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






14. Leaving a population






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






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






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






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






19. A graph that uses dots to compare rate of change over time






20. An environmental factor that causes a population to decrease






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






22. In an experiment - the group of participants that recieves the manipulation






23. A resource that is either always available or is naturally replaced in a relatively short time






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






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






26. The largest population that an area can support






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






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






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






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






31. The practice of reducing energy use






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






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






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






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






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






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






38. Water stored in underground layers of soil and rock






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






40. A consumer that eats both plants and animals






41. The process by which a gas changes to a liquid






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






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






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






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






46. The number of different species in an area






47. Moving into a population






48. A consumer that eats only animals






49. Anything that harms an organism






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