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