Test your basic knowledge |

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






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






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






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






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






6. A material that cannot be recycled or reused






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






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






9. The study of how living and nonliving things interact






10. The series of changes that occur in an area where no soil or organisms exist






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






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






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






14. The practice of reducing energy use






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






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






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






18. A chart with bars






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






20. Flaw in design of procedure






21. The variable that you manipulate






22. An environmental factor that causes a population to decrease






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






24. The series of predictable changes that occur in a community over time






25. An organism that breaks down wastes and dead organisms






26. A consumer that eats both plants and animals






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






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






29. Heat from the Earth's interior






30. Leaving a population






31. The rate of which a plant grows at






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






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






34. Type of graph most often used for categorical data






35. Mass destruction of most species






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






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






38. The largest population that an area can support






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






40. The amount of food production in a given area






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






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






43. Water stored in underground layers of soil and rock






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






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






46. Organism that is killed






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






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






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






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