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Ecology Vocabulary Quiz
  • 1. The scientific study of interactions among and between organisms and their environment.
A) genetics
B) ecology
C) biochemistry
D) bioinformatics
E) physiology
  • 2. All the parts of the planet where life exists including the land, air, and water.
A) biome
B) biosphere
C) Earth
D) ecosystems
E) communities
  • 3. A group of organisms that are so similar that they choose to interbreed with each other in nature and produce fertile offspring.
A) species
B) populations
C) communities
D) ecosystems
E) biomes
  • 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) ecosystems
B) biomes
C) communities
D) producers
E) populations
  • 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) population
D) biome
E) species
  • 7. A group of ecosystems with the same climate and similar dominant communities.
A) biosphere
B) individuals
C) biome
D) communities
E) species
  • 8. Organisms that make their own food using light or chemical energy.
A) scavengers
B) individuals
C) decomposers
D) autotrophs
E) heterotrophs
  • 9. Process used by some bacteria where chemicals are used to produce carbohydrates.
A) asexual reproduction
B) chemosynthesis
C) ecology
D) cellular respiration
E) photosynthesis
  • 10. Organisms that rely on other organisms as their food source.
A) chemosynthentic bacteria
B) heterotrophs
C) photosynthetic organisms
D) autotrophs
E) archaebacteria
  • 11. Organisms that only eat producers such as plants.
A) carnivores
B) producers
C) herbivores
D) bacteria
E) omnivores
  • 12. Organisms that only eat consumers. (meat)
A) omnivores
B) herbivores
C) carnivores
D) detritivores
E) decomposers
  • 13. Organisms that eat producers and consumers.
A) omnivores
B) detritivores
C) decomposers
D) herbivores
E) carnivores
  • 14. Organisms that eat detritus.
A) herbivores
B) primary consumers
C) detritivores
D) omnivores
E) decomposers
  • 15. Organisms like bacteria and fungi that break down dead matter as they feed on it.
A) autotrophs
B) producers
C) primary consumers
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) food web
B) food chain
C) ecological pyramid
D) food pyramid
E) biomass pyramid
  • 17. Complex set of multiple feeding relationships showing how energy is transferred.
A) food chain
B) food web
C) ecology pyramid
D) energy pyramid
E) numbers pyramid
  • 18. Pyramid that shows the amount of energy available at each tropic level of a food chain or food web.
A) Energy pyramid
B) Food pyramid
C) Biomass 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) Food pyramid
D) Biomass pyramid
  • 21. Organisms that eat dead carcasses.
A) detritivores
B) detritus
C) tertiary consumers
D) decomposers
  • 22. Ecosystems determined by the depth, flow, temperature, and chemistry of the overlying water.
A) flowing water ecosystems
B) intertidal zone
C) aquatic ecosystems
D) freshwater ecosystems
  • 23. Ecosystems where the water flows over the land such as rivers and streams.
A) standing water ecosystems
B) salt water ecosystem
C) estuaries
D) flowing water ecosystems
E) intertidal zone
  • 24. Aquatic ecosystems that contain little salt in the water
A) salt water ecosystems
B) wetlands
C) brackish water
D) fresh water ecosystems
E) marshes
  • 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) intertidal zone
B) standing water ecosystem
C) salt water ecosystem
D) flowing water ecosystems
E) wetlands
  • 27. Wetlands formed where the rivers meet the sea; water is a mix of salt and fresh and is called brackish.
A) intertidal zone
B) open ocean
C) coastal ocean
D) estuaries
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) flowing water ecosystems
C) coastal ocean
D) intertidal zone
E) salt marsh
  • 29. The upper layer of an aquatic ecosystem where light can penetrate.
A) aphotic zone
B) benthic zone
C) intertidal zone
D) photic 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) intertidal zone
B) photic zone
C) aphotic zone
D) benthic 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) bacteria
B) zooplankton
C) benthos
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) freshwater ecosystems
B) coral reefs
C) salt marsh
D) scavengers
E) aquatic ecosystems
  • 35. The ocean from the low-tide mark to the outer edge of the continental shelf.
A) coastal ocean
B) intertidal zone
C) open ocean
D) photic zone
E) benthic region
  • 36. Organisms that live attached to or near the bottom of the ocean.
A) omnivores
B) benthos
C) secondary consumers
D) carnivores
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) 1st Law of Thermodynamics
B) 2nd Law of Thermodynamics
C) Law of Conservation of Matter
D) Law of Genetics
E) Law of Natural Selection
  • 39. Level of consumer that eats producers
A) Secondary consumer
B) scavenger
C) decomposer
D) Primary consumer
E) Tertiary consumer
  • 40. Level of consumer that eats primary consumers.
A) Tertiary consumers
B) scavengers
C) Secondary consumers
D) Primary consumers
E) detritivores
  • 41. Level of consumer that eats secondary consumers.
A) Primary consumers
B) scavengers
C) decomposers
D) Tertiary consumers
E) Secondary consumers
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