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