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Ecology Vocabulary Quiz
Contributed by: Gray
  • 1. The scientific study of interactions among and between organisms and their environment.
A) biochemistry
B) physiology
C) ecology
D) genetics
E) bioinformatics
  • 2. All the parts of the planet where life exists including the land, air, and water.
A) Earth
B) communities
C) biome
D) ecosystems
E) biosphere
  • 3. A group of organisms that are so similar that they choose to interbreed with each other in nature and produce fertile offspring.
A) biomes
B) ecosystems
C) populations
D) species
E) communities
  • 4. Groups of individuals that belong to the same species and live in the same area.
A) ecology
B) biomes
C) populations
D) communities
E) ecosystems
  • 5. Assemblages of different populations that live together in a defined area.
A) communities
B) biomes
C) producers
D) populations
E) ecosystems
  • 6. A collection of all the organisms that live in a particular place, together with their nonliving, or physical environment.
A) ecosystem
B) consumers
C) species
D) population
E) biome
  • 7. A group of ecosystems with the same climate and similar dominant communities.
A) communities
B) biosphere
C) biome
D) individuals
E) species
  • 8. Organisms that make their own food using light or chemical energy.
A) autotrophs
B) decomposers
C) scavengers
D) individuals
E) heterotrophs
  • 9. Process used by some bacteria where chemicals are used to produce carbohydrates.
A) ecology
B) cellular respiration
C) asexual reproduction
D) chemosynthesis
E) photosynthesis
  • 10. Organisms that rely on other organisms as their food source.
A) autotrophs
B) archaebacteria
C) photosynthetic organisms
D) heterotrophs
E) chemosynthentic bacteria
  • 11. Organisms that only eat producers such as plants.
A) herbivores
B) omnivores
C) bacteria
D) producers
E) carnivores
  • 12. Organisms that only eat consumers. (meat)
A) detritivores
B) decomposers
C) omnivores
D) herbivores
E) carnivores
  • 13. Organisms that eat producers and consumers.
A) detritivores
B) carnivores
C) omnivores
D) decomposers
E) herbivores
  • 14. Organisms that eat detritus.
A) decomposers
B) herbivores
C) omnivores
D) detritivores
E) primary consumers
  • 15. Organisms like bacteria and fungi that break down dead matter as they feed on it.
A) producers
B) primary consumers
C) detritivores
D) autotrophs
E) decomposers
  • 16. A series of steps that shows the transfer of energy from one organism to another by showing the one to one relationship of what eats and is eaten by the organisms.
A) biomass pyramid
B) food chain
C) food pyramid
D) food web
E) ecological pyramid
  • 17. Complex set of multiple feeding relationships showing how energy is transferred.
A) numbers pyramid
B) energy pyramid
C) food chain
D) ecology pyramid
E) food web
  • 18. Pyramid that shows the amount of energy available at each tropic level of a food chain or food web.
A) Biomass pyramid
B) Food pyramid
C) Energy pyramid
D) Numbers pyramid
  • 19. Pyramid that shows the number of organisms at each trophic level of a food chain or food web.
A) Biomass pyramid
B) Food pyramid
C) Numbers pyramid
D) Energy pyramid
  • 20. Pyramid that shows the dry mass of the organisms at each trophic level.
A) Energy pyramid
B) Numbers pyramid
C) Biomass pyramid
D) Food pyramid
  • 21. Organisms that eat dead carcasses.
A) detritivores
B) decomposers
C) tertiary consumers
D) detritus
  • 22. Ecosystems determined by the depth, flow, temperature, and chemistry of the overlying water.
A) freshwater ecosystems
B) flowing water ecosystems
C) intertidal zone
D) aquatic ecosystems
  • 23. Ecosystems where the water flows over the land such as rivers and streams.
A) estuaries
B) standing water ecosystems
C) salt water ecosystem
D) flowing water ecosystems
E) intertidal zone
  • 24. Aquatic ecosystems that contain little salt in the water
A) marshes
B) wetlands
C) salt water ecosystems
D) brackish water
E) fresh water ecosystems
  • 25. Aquatic ecosystems such as lakes and ponds
A) standing water ecosystems
B) bogs
C) wetlands
D) salt water ecosystems
E) creeks
  • 26. Ecosystem where water either covers the soil or is present near or at the surface for at least part of the year.
A) standing water ecosystem
B) flowing water ecosystems
C) wetlands
D) intertidal zone
E) salt water ecosystem
  • 27. Wetlands formed where the rivers meet the sea; water is a mix of salt and fresh and is called brackish.
A) flowing water ecosystems
B) intertidal zone
C) open ocean
D) coastal ocean
E) estuaries
  • 28. Temperate-zone estuaries dominated by salt-tolerant grasses like Spartina grass above the low tide line and seagrass underwater.
A) bogs
B) coastal ocean
C) salt marsh
D) flowing water ecosystems
E) intertidal zone
  • 29. The upper layer of an aquatic ecosystem where light can penetrate.
A) intertidal zone
B) photic zone
C) benthic zone
D) aphotic zone
  • 30. Lower layer of an aquatic ecosystem that is always dark because no light reaches it.
A) benthic zone
B) intertidal zone
C) photic zone
D) aphotic zone
  • 31. The zone between high and low tide points.
A) benthic zone
B) aphotic zone
C) intertidal zone
D) photic zone
  • 32. Unicellular algae that form the base of the food webs in aquatic ecosystems.
A) phytoplankton
B) protists
C) benthos
D) zooplankton
  • 33. Planktonic animals that feed on phytoplankton.
A) benthos
B) bacteria
C) zooplankton
D) small crustaceans
  • 34. Ecosystems formed in warm shallow tropical coastal oceans by small animals that take calcium carbonate from the water and form hard skeletons.
A) aquatic ecosystems
B) salt marsh
C) scavengers
D) freshwater ecosystems
E) coral reefs
  • 35. The ocean from the low-tide mark to the outer edge of the continental shelf.
A) intertidal zone
B) photic zone
C) coastal ocean
D) open ocean
E) benthic region
  • 36. Organisms that live attached to or near the bottom of the ocean.
A) omnivores
B) carnivores
C) secondary consumers
D) benthos
E) scavengers
  • 37. In a closed system energy is not created or destroyed; it is just converted from one form to another.
A) Newton's Laws of Motion
B) 1st Law of Thermodynamics
C) String Theory
D) Law of Conservation of Matter
E) 2nd Law of Thermodynamics
  • 38. The energy in a natural process goes in the direction that increases disorder--generally usable energy is converted into heat that is given off in a non-usable form; also known as entropy.
A) 2nd Law of Thermodynamics
B) 1st Law of Thermodynamics
C) Law of Conservation of Matter
D) Law of Natural Selection
E) Law of Genetics
  • 39. Level of consumer that eats producers
A) decomposer
B) Primary consumer
C) Tertiary consumer
D) Secondary consumer
E) scavenger
  • 40. Level of consumer that eats primary consumers.
A) Primary consumers
B) Secondary consumers
C) scavengers
D) detritivores
E) Tertiary consumers
  • 41. Level of consumer that eats secondary consumers.
A) Tertiary consumers
B) Secondary consumers
C) decomposers
D) scavengers
E) Primary consumers
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