Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of , which causes an increase in ocean temperature. Due to these unfavorable conditions, corals expel algae, leading to .

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Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of carbon dioxide, which causes an increase in ocean temperature. Due to these unfavorable conditions, corals expel algae, leading to bleaching. If corals go too long without algae, the corals will die. 

Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of Carbon dioxide ,  Due to these unfavorable conditions, corals expel algae, leading to bleaching.

How do growing temperatures have an effect on coral reefs?

Rising (or maybe falling) water temperatures can pressure coral polyps, inflicting them to lose algae (or zooxanthellae) that stay withinside the tissues of the polyps. This affects in “coral bleaching,” so referred to as due to the fact the algae deliver coral their shadeation and whilst the algae “leap ship,” the coral turns absolutely white.

When water is just too warm, corals will expel the algae (zooxanthellae) dwelling of their tissues inflicting the coral to show absolutely white. This is referred to as coral bleaching. When a coral bleaches, it isn't always dead. Corals can live on a bleaching event, however they may be beneath neath extra pressure and are difficulty to mortality.

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