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Test your basic knowledge |
DSST Environmental Sciences Vocab
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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. The community of organisms that live in a particular area along with their nonliving surroundings
Commensalism
Abiotic factor
Ecosystem
Host
2. A species that influences the survival of many others in an ecosystem
Population
Keystone species
Control Group
Data table
3. Capable of being broken down by bacteria or other decomposers
Major food nutrients
Biodegradable
Evaporation
Parasitism
4. The series of changes that occur in an area where no soil or organisms exist
Primary succession
human error
Biotic factor
Carrying capacity
5. Struggle between organisms to survive in a habitat with limited resources
Competition
Climate
Renewable resource
Biodiversity
6. The typical weather pattern in an area over a long period of time
Independent variable
Developed countries
Condensation
Climate
7. The process by which a gas changes to a liquid
Population
Immigration
Condensation
Mass extinctions
8. A living part of an organism's habitat
Biotic factor
Grains
Abiotic factor
Agriculture Revolution
9. The variable that you manipulate
Immigration
Geothermal energy
Experimental error
Independent variable
10. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources
Water cycle
Endangered species
Ecosystem
Efficiency
11. Moving into a population
Line graph
Agriculture Revolution
Energy conservation
Immigration
12. A nonliving part of an organism's habitat
Agriculture
Abiotic factor
Condensation
Bar graph
13. A resource that is able to be reused - or can be replenished quickly
Fossil fuel
Renewable resource
Experimental error
Precipitation
14. A natural resource that is not replaced in a useful time frame
Nonrecyclable
Natural Resource
Renewable resource
Nonrenewable resource
15. The pattern of overlapping food chains in an ecosystem.
Efficiency
Pioneer species
Commensalism
Food web
16. Any form of water that falls to the Earth's surface
Precipitation
Supply and demand
Pollution
Community
17. An interaction in which one organism kills and eats another
Predation
Emigration
human error
Biodegradable
18. Evaluation of the short-term and long-term risks associated with a particular activity or hazard
Risk assessment
Experimental error
Poaching
Predation
19. Leaving a population
Biodegradable
Fossil fuel
Emigration
Grains
20. Wheat -bairley -corn....carbohydrates
Parasite
Grains
Condensation
Population
21. Rice - corn - potatos - wheat - soy beans
Control Group
Worlds 5 Main Foods
Green revolution
Ecosystem
22. The degree of hotness or coldness of a body or environment
Carnivore
Control Group
Parasitism
Temperature
23. The organism that the parasite lives in or on
Major food nutrients
Host
Non-biodegradable
Energy conservation
24. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere
Major food nutrients
Greenhouse effect
Evaporation
Sustainability
25. The practice of reducing energy use
Ecosystem
Developing countries
Energy conservation
Control Group
26. Something that does not completely break down into the soil
Poaching
Diet
Hunters and Gatherers
Non-biodegradable
27. Resources supplied by nature
Control Group
Biodegradable
Poaching
Natural Resource
28. People who survive by searching for wild plants and animals; always move in small groups
Natural resource
Experimental Groups
Developing countries
Hunters and Gatherers
29. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity
Omnivore
Habitat
Green revolution
Herbivore
30. The process in which the changes that make organisms better suited to their environments develop
Succession
Experimental error
Immigration
Natural selection
31. The study of how living and nonliving things interact
Ecology
Food web
Secondary succession
Experimental error
32. A material that cannot be recycled or reused
Nonrecyclable
Green revolution
Efficiency
Dependent variable
33. A state of poor nutrition; lacking enough calories or variety in diet
Experimental Groups
Malnutrition
Parasitism
Dependent variable
34. A habitat in which the freshwater of a river meets the salt water of an ocean
Water cycle
Estuary
Famine
Endangered species
35. A chart with bars
Water cycle
Bar graph
Food web
Yield
36. A study that compares the costs and benefits to society of providing a public good
Pioneer species
Secondary succession
Carnivore
Cost benefit analysis
37. Farmers who raise food and animals mainly to feed their own families
Endangered species
Subsistence farmers
Omnivore
Threatened species
38. A consumer that eats both plants and animals
Omnivore
Niche
Population
Ecosystem
39. A graph that highlights segments of a circle to show simple distribution patterns
Climate
Sustainability
Pie graph
Parasitism
40. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.
Herbivore
Agriculture Revolution
Growth rate
Geothermal energy
41. An organism that can make it's own food
Major food nutrients
Depleted
Producer
Agriculture
42. Anything in the environment that is used by people
human error
Natural resource
Poaching
Evaporation
43. Water stored in underground layers of soil and rock
Producer
Depleted
Competition
Groundwater
44. A close relationship between two species that benefits at least one of them
Symbiosis
Secondary succession
Carrying capacity
Cost benefit analysis
45. An organism that obtains energy by feeding on other organisms
Carnivore
Nonrenewable resource
Consumer
Biodiversity
46. Organism that does the killing
Predator
Yield
Line graph
Dispersal
47. A consumer that eats only animals
Carnivore
Bar graph
Worlds 5 Main Foods
Yield
48. Illegal killing or removal of wildlife from their habitats
Selective cutting
Poaching
Dependent variable
Precipitation
49. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature
Pollution
Global warming
Adaptations
Producer
50. A consumer that eats only plants
Omnivore
Herbivore
Depleted
Major food nutrients