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43 Cards in this Set

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1. What is the term for member of the same species living in the same place at the same time?
Population
2. The tragedy of the commons refers to the problems of protecting shared resources T or F
true
3. How would you illustrate the feeding relationships in an ecosystem?
Food web
4. What area is described as having large herds of grazing animals such as zebras, giraffes and rhinos?
Savannah
5. How much energy is not passed on from the next trophic level in an energy pyramid?
90
6. Natural selection depends on individuals surviving and reproducing to increase the frequency of their genes in the next generation. T or F
true
7. What is it called or what is the goal when human populations can live in comfort with adequate resources?
Sustainability or sustainable world
8. Tropical rain forests have a high biodiversity because of their varied climate and temperature? T or F
false
9. What kind of organisms are at the bottom trophic level in an energy pyramid or a food chain?
Producers/ plants
10. What biome can be described as having hot dry summers and mild winters in primarily coastal areas?
Chaparral
11. What can happen when high levels of phosphates are washed into the water by run off?
Artificial eutrophication
12. Zoos, botanical gardens and wildlife parks all preserve species by collecting them from remote wilderness areas. T or F
false
13. What kind of pollutant is a parasitic worm?
Pathogen
14. What is the name of the zone where the water is cool and dark?
Bethic/ aphotic
15. An organism that eats both plants and animals is called an
omnivore
16. primary succession begins on :
bare rock
17. What are the four limiting factors that determine the amount and type of life in the water?
Oxygen level, nutrient level, light and temperature
18. A biome is usually described by its climate and vegetations. T or F
true
19. What purpose do bacteria and fungi serve in the food web?
Decomposers
20. A estuary receives a double dose of nutrients making it very productive. What are the sources of these nutrients?
Ocean and river
21. A community is made up of?
populations
22. An ecosystem include the community and what kinds of factors?
Abiotic
23. The experimental or scientific method contains these steps : observation, hypothesis, predicting and experimenting, then drawing a conclusion and sharing results. T or F
true
24. What is the difference between a marsh and a swamp?
Grassy vs woody plants
25. If a population that was formerly all shades of brown is now mostly dark brown this is an example of what kind of selection?
Directional
26. Where does the bottom level of an energy pyramid get its energy?
Sun
27. Who created the theory of evolution by natural selection?
Darwin
28. What is the difference between nekton, plankton and bethos?
Free swimming, floating and bottom dwelling
29. A plant from china was brought in to a garden in New jersey for its beautiful leaves, however within 10 years it had spread beyond the garden and was thriving on the hillsides of the area crowding out the native plants. This is an example of an:
invasive species.
30. When rivers flow to a flatter area they generally become:
warmer and slower
31. In the nitrogen cycle what type of organism takes nitrogen from the air and makes it available to plants?
N fixing bacteria
32. Which is more likely to go extinct: A migratory population with special food requirements or a small population that breeds quickly?
Migratory
33. What role do plants play in the carbon cycle in photosynthesis?
Take carbon dioxide from the air and bring the carbon into their tissues where it then can be eaten and start up the food chain
34. If you want to slow the loss of biodiversity would you
set aside small plots of land in a variety of ecosystems or creates large parks in known hot spots
35. What does chlorine do in the treatment of water for drinking?
Kills bacteria
36. What government act created the laws for endangered and threatened specie and their management?
Endangered species act
37. What is the place called where an organism lives that contains all the abiotc and biotic factors needed for its survival?
Habitat
38. What causes most ocean pollution?
Land pollution dumped or running off into the ocean
39. If a mice population is undergoing disruptive selection so that there are now two populations of black or white mice what can happen over time?
New species
40. When toxin accumulate in the food chain as one move up the trophic levels this is called:
bioaccumulation
41. Where does the 90% of the energy that is not passed up the food chain go?
Heat and metabolism
42. Lichen that can live on bare rock is an example of what kind of species?
Pioneer
43. Organisms that eat animals are called ______ while organisms that eat plants are called _______.
Carnivores and herbivores