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- 1. Multiple ChoiceThis biome has the most diverse species of plants and animals.deserttropical rainforestsavannatundra
- 2. Multiple ChoiceWhich two biomes have the least precipitation?tropical rain forest and temperate grasslansavanna and tropical dry foresttundra and desertboreal forest and temperate woodland
- 3. Multiple ChoiceWhich is NOT a freshwater ecosystem?a rivera lakean estuarya stream
- 4. Multiple ChoiceA wetland that contains a mixture of fresh water and salt water is calledan estuarya streama rivera pond
- 5. Multiple ChoiceThe photic zoneextends to the bottom of the open oceanextends to a depth of about 200 metersis deep, cold, and permanently darkis where chemosynthetic bacteria are the producers
- 6. Multiple ChoiceThe aphotic zone isthe ocean's dark lower layer where photosynthesis cannot occurthe sunlit upper layer of the ocean where photosynthesis occurson the bottom of lakes, streams, and oceans.where benthos are found
- 7. Multiple ChoiceThe intertidal zone of oceanssurrounds continentsis on the coastlinehas tides that rise and fall each dayis the open ocean
- 8. Multiple ChoiceWhich factor(s) affect aquatic ecosystems?depthflownutrientsall affect aquatic ecosystems
- 9. Multiple ChoiceCirculating water in lakes and ponds is important for distributingheatoxygennutrientsall of these
- 10. Multiple Choicephytoplankton aretiny autotrophic organisms in waterlarge plantstiny heterotrophic organisms in waterlarge animals
- 11. Multiple Choicezooplankton aretiny autotrophic organisms in waterlarge plantstiny heterotrophic organisms in waterlarge animals
- 12. Multiple ChoiceAn ecosystem where water covers the soil or water is near the surface of the soil is calleda desertan oceanan estuarya wetland
- 13. Multiple ChoiceWhich is NOT a freshwater wetland?estuarymarshbogswamp
- 14. Multiple ChoiceEstuaries form wherea lake evaporatesa river meets the seaa river becomes dammeda wetland becomes filled in
- 15. Multiple ChoiceEstuary water should haveless salt than the oceanmore salt than the oceanno salt
- 16. Multiple ChoiceWhich would have kelp forests and coral reefs?intertidal zonecoastal oceanopen ocean
- 17. Multiple ChoiceWhich would have barnacles, seaweed, and starfish?coastal oceanintertidal oceanopen ocean
- 18. Multiple ChoiceWhich would have whales and chemosynthetic bacteria?coastal oceanintertidal oceanopen ocean
- 19. Multiple Choice
Which zone supports the least amount of life?photicaphoticneriticocean - 20. Multiple ChoiceWhich biome has dense evergreen (pine) forests?taiga (boreal forest)tundradesertsavanna
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