15 D
These are the most diverse ecosystems in the marine environment.
What are coral reefs?
Chemosynthesis produces this from hydrogen sulfide, water, carbon dioxide, and O2.
What is glucose?
This is the term used to describe when fast-growing organisms take over and destroy the slow-growing coral reef.
What is bioerosion?
Hydrothermal vents are extremely toxic because they have high concentrations of hydrogen sulfide and these.
What are heavy metals?
Two sources of nutrient-rich waters near/in coral reefs are fertilizer runoff from farms and this.
What is sewage discharge?
Hydrocarbon, hypersaline, and subduction zone are all types of these.
What are seeps?
This occurs when temperatures are excessively warm, causing toxic, reactive oxygen to build up in the tissues of corals and kills the symbiotic algae.
What is coral bleaching?
These substances give white smokers their white color.
What are barium sulfide compounds?
Warming of surface waters due to these events are is one of the causes of coral bleaching.
What are El Nino events?
One adaptation of hydrothermal vent organisms is this, so they mature faster and reproduce earlier before the vent becomes extinct.
What is a high metabolic rate?