Biology

Biology, 01.07.2019 23:00, selenaK9514

Explain how zooxanthellae have a symbiotic relationship with coral.

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Biology, 24.06.2019 21:50, azktanae5855

Coral reefs share a symbiotic relationship with a type of algae called zooxanthellae. the hard exoskeleton that makes up a coral reef provides a safe habitat for zooxanthellae. in return, zooxanthellae use sunlight to make food for themselves and for the coral. one of many threats to coral reefs is sedimentation run-off. sedimentation run-off clouds the water, as well as changes its chemistry. if sedimentation run-off continues along coral reef coastlines, how would this most likely lead to the extinction of coral reefs? a. by blocking sunlight from reaching zooxanthellae, sedimentation run-off may deprive coral reefs of the nutrients they need. b. by causing zooxanthellae to rapidly increase in population, sedimentation run-off may greatly reduce the habitat available to coral reefs. c. by causing coral reef waters to become overly warm, sedimentation run-off may cause coral reefs to become overheated. d. by clouding the visibility of coral reefs from humans, sedimentation run-off may result in boats and ships destroying coral reefs.

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Biology, 26.06.2019 23:30, aprilkenedy12

Coral reefs share a symbiotic relationship with a type of algae called zooxanthellae. the hard exoskeleton that makes up a coral reef provides a safe habitat for zooxanthellae. in return, zooxanthellae use sunlight to make food for themselves and for the coral. one of many threats to coral reefs is sedimentation run-off. sedimentation run-off clouds the water, as well as changes its chemistry. if sedimentation run-off continues along coral reef coastlines, how would this most likely lead to the extinction of coral reefs? a. by blocking sunlight from reaching zooxanthellae, sedimentation run-off may deprive coral reefs of the nutrients they need. b. by causing zooxanthellae to rapidly increase in population, sedimentation run-off may greatly reduce the habitat available to coral reefs. c. by causing coral reef waters to become overly warm, sedimentation run-off may cause coral reefs to become overheated. d. by clouding the visibility of coral reefs from humans, sedimentation run-off may result in boats and ships destroying coral reefs.

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Biology, 18.07.2019 11:30, jackkkkk32

Coral bleaching occurs when the zooxanthellae algae that live in coral leave or die due to stress. which of the following is the best evidence of a mutualistic relationship between zooxanthellae and coral rather than commensalism? corals are stressed and more likely to die without zooxanthellae; the zooxanthellae grow best when associated with the corals. corals deliberately expel the zooxanthellae when under stress. zooxanthellae give corals their bright colors. zooxanthellae provide nutrients to the corals, but corals can survive without zooxanthellae.

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Biology, 03.11.2019 02:31, huangjianhe135

Astudent hypothesized that pillar coral digest zooxanthellae for energy. which prediction is based on the student's hypothesis? a. if pillar coral digest zooxanthellae, then pillar coral must be an important part of many coral reefs. b. if pillar coral digest zooxanthellae, then zooxanthellae must be photosynthetic. c. if pillar coral digest zooxanthellae, then pillar coral must need sunlight to survive. d. if pillar coral digest zooxanthellae, then the zooxanthellae inside the pillar coral must be dead.

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