What is coral bleaching biology?
What is coral bleaching biology?
Coral bleaching happens when corals lose their vibrant colors and turn white. But there’s a lot more to it than that. Coral are bright and colorful because of microscopic algae called zooxanthellae. The zooxanthellae live within the coral in a mutually beneficial relationship, each helping the other survive.
What is coral bleaching called?
When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues causing the coral to turn completely white. This is called coral bleaching. When a coral bleaches, it is not dead. Corals can survive a bleaching event, but they are under more stress and are subject to mortality.
What is coral bleaching answer key?
Coral bleaching is a coral’s response to stressful conditions. During bleaching, the coral animal loses its symbiotic algae and pigments, causing it to turn white and potentially die.
What is causing the bleaching of coral reefs quizlet?
The main cause of coral bleaching is heat stress resulting from high sea temperatures. High water temperatures can affect reefs at regional and global scale. Other stressors can also cause bleaching, including freshwater inundation (low salinity) and poor water quality from sediment or pollutant run-off.
What is the meaning of coral bleaching Mcq?
Correct option: a Paling of coral color or decline in zooxanthellae due to climate changeExplanation:Coral Bleaching is being caused by the climate change. Zooxanthellae is responsible for the process of photosynthesis.
What is being done about coral bleaching?
EPA protects coral reefs by implementing Clean Water Act programs that protect water quality in watersheds and coastal zones of coral reef areas. Much of EPA’s work to protect coral reefs is conducted in partnership with other federal agencies, states, and territories.
Why are coral reefs overexploited?
Why are coral reefs overexploited? Coral and its organisms are valuable commodities in the aquarium industry. Seafood Watch is a program that identifies sustainably harvested, ocean friendly seafood in order to _______. a.
What causes coral bleaching Mcq?
Coral bleaching is caused by unfavourable changes in conditions like temperature, nutrient levels and light exposure.
