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Test your basic knowledge |
DSST Environmental Sciences Vocab
Start Test
Study First
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. Illegal killing or removal of wildlife from their habitats
Poaching
Pioneer species
Symbiosis
Nonrenewable resource
2. Anything that harms an organism
Agriculture
Condensation
Food chain
Pollution
3. Water stored in underground layers of soil and rock
Groundwater
Nitrogen fixation
Renewable resources
Environmental Science
4. The organism that the parasite lives in or on
Agriculture
Consumer
Ecological footprint
Host
5. Behaviors and physical characteristics of species that allow them to live successfully in their environment
Scavenger
Worlds 5 Main Foods
Adaptations
Experimental error
6. The effect of the IV
Adaptations
Water cycle
Biotic factor
Dependent variable
7. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist
Secondary succession
Renewable resource
Evaporation
Decomposer
8. A carnivore that feeds on the bodies of dead organisms
Natural selection
Supply and demand
Mutualism
Scavenger
9. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce
Keystone species
Dispersal
Biodiversity
Species
10. Farmers who raise food and animals mainly to feed their own families
Primary succession
Subsistence farmers
Niche
Scatter graph
11. A species that could become endangered in the near future
Threatened species
Secondary succession
Bar graph
Temperature
12. A species that influences the survival of many others in an ecosystem
Scavenger
Pie graph
Yield
Keystone species
13. The process of cutting down only some trees in area
Groundwater
Evaporation
Selective cutting
Nonrecyclable
14. A relationship in which both species benefit
Natural resource
Experimental error
Ecosystem
Mutualism
15. A close relationship between two species that benefits at least one of them
Extinction
Estuary
Symbiosis
Fossil fuel
16. A living part of an organism's habitat
Dispersal
Biotic factor
Biodiversity
Agriculture Revolution
17. An organism's particular role - or how it makes its living
Evaporation
Natural Resource
Niche
Keystone species
18. A resource that is either always available or is naturally replaced in a relatively short time
Natural resource
Climate
Competition
Renewable resources
19. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death
Poaching
Experimental Groups
Fossil fuel
Famine
20. Organism that is killed
Pioneer species
Prey
Column Graph
Biodegradable
21. A state of poor nutrition; lacking enough calories or variety in diet
Hunters and Gatherers
Malnutrition
Mutualism
Ecosystem
22. A measure of human demand on the Earth's ecosystems
Biome
Ecological footprint
Nonrenewable resource
Carnivore
23. The amount of food production in a given area
Niche
Scavenger
Predation
Yield
24. Flaw in design of procedure
Limiting factor
Hunters and Gatherers
Subsistence farmers
Experimental error
25. The act of restricting your food intake (or your intake of particular foods)
Famine
Diet
Biotic factor
Nonrenewable resource
26. An organism that breaks down wastes and dead organisms
Decomposer
Growth rate
Renewable resources
Habitat
27. Moving into a population
Temperature
Hunters and Gatherers
Immigration
Estuary
28. The rate of which a plant grows at
Host
Carrying capacity
Nitrogen fixation
Growth rate
29. In an experiment - the group of participants that recieves the manipulation
Parasitism
Endangered species
Experimental Groups
Renewable resources
30. Something that does not completely break down into the soil
Greenhouse effect
Energy conservation
Non-biodegradable
Recyclable
31. All the members of one species in a particular area
Depleted
Population
Biodiversity
Efficiency
32. A relationship in which one species benefits and the other is neither helped nor harmed
Commensalism
Grains
Geothermal energy
Host
33. Something that breaks down into soil
Biodegradable
Bar graph
Competition
Natural resource
34. A nonliving part of an organism's habitat
Industrial Revolution
Abiotic factor
Population
Hunters and Gatherers
35. When a large fraction of the resource has been used up
Prey
Scavenger
Depleted
Column Graph
36. The typical weather pattern in an area over a long period of time
Ecology
Poaching
Climate
Natural selection
37. The disappearance of all members of a species from Earth
Water cycle
Developed countries
Subsistence farmers
Extinction
38. A consumer that eats only animals
Estuary
Carnivore
Environmental Science
Agriculture Revolution
39. A graph that uses line segments to show changes that occur over time
Line graph
Natural selection
Ecological footprint
Malnutrition
40. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms
Renewable resource
Biome
Fossil fuel
Secondary succession
41. All the different populations that live together in an area
Community
Pie graph
Worlds 5 Main Foods
Food chain
42. The process in which the changes that make organisms better suited to their environments develop
Omnivore
Developing countries
Subsistence farmers
Natural selection
43. The number of different species in an area
Species
Risk assessment
Malnutrition
Biodiversity
44. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature
Mass extinctions
Agriculture
Grains
Global warming
45. The process of changing free nitrogen gas into a usable form
Producer
Ecosystem
Experimental Groups
Nitrogen fixation
46. A resource that is not able to be reused - or cannot be replenished quickly
Biodiversity
Water cycle
Nonrenewable resource
Energy conservation
47. A series of events in which one organism eats another and obtains energy
Risk assessment
Primary succession
Commensalism
Food chain
48. The community of organisms that live in a particular area along with their nonliving surroundings
Major food nutrients
Primary succession
Non-biodegradable
Ecosystem
49. The largest population that an area can support
Carrying capacity
Dependent variable
Mutualism
Carnivore
50. A habitat in which the freshwater of a river meets the salt water of an ocean
Depleted
Estuary
Line graph
Worlds 5 Main Foods