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How are coral and limestone formed?
Coral reefs are built by millions of coral polyps, small colonial animals resembling overturned jellyfish. They excrete an exoskeleton made of calcium carbonate, which forms their distinctive shapes as a colony. Thousands of coral colonies build up over time to form the reef. After an extensive period of time, the reef may die off, perhaps because the conditions of the environment change for the worse for the corals. Since reefs often form in conditions where there is a lot of water movement (because the water is more oxygenated in these areas), if the colony is no longer being sustained by living polyps the colonies break up. Reefs can still break up when the coral is still alive if the conditions are severe. Sedimentation and cementation occurs as calcium carbonate precipitates out of the water and of the exoskeletons of the coral.
Which province has borders on fresh water and salt water?
Nova Scotia is the province in Canada that has borders on both fresh water (Atlantic Ocean) and salt water (Bay of Fundy).
What are the effects of muro-ami fishing?
Muro ami fishing is knocking the coral reefs for the fishes to get out.When they do this thing the coral reefs will be destroyed causing the fishes to have loss of home.If there is no coral reefs the fishes will also have no food.# It destroys corals which takes centuries to build. # It pollutes the water. # It kills some of the fish. # It disturbs the marine ecosystem in the area. # It exploits children who are used to handle bombs and big nets. (Some of these children die in action and their corpses left in the shoreline.) The list goes on.
What is it called when salt and fresh water meet?
Short answer:When fresh water meets salt water and they mix, the result is brackish water.(See related questions for a discussion of the variety of places where this occurs.)The name of a place where salt water and fresh water mix is often an estuary which is a partially enclosed region usually near the mouth of a river. (See related link.)More:An estuary is a partially enclosed area where a fresh water source such as a river flows into a salt water body such as a sea or ocean. The area is termed an estuary if both ocean and salt water influxes substantially determine the nature of the body of water, hence it would normally be partially enclosed and retaining a significant portion of fresh water influx that is not immediately diluted into the seawater.Estuaries are often both interesting biological systems and interesting geological formations.Note: For the more general question of where fresh and salt water meet, see related questions.Note: If one is interested in the halocline, which is a strong vertical gradient of salt concentration form sometimes at the interface of fresh water and salt water, then that is a different question.estuaryBrackwater
What is heavier sea or fresh water?
Technically, neither. They are both the same weight but not exactly weigh anything as water can alter our weight.
How are coral reefs and hydrothermal vents the same?
Coral reefs and hydrothermal vents are similar because they both lie below the under water.
Is a coral reef formed by animal or mineral or both?
coral reefs are formed from mineral.
How do coral reefs form what makes them vulnerable to environmental stress?
Coral reefs begin to form when free-swimming coral larvae attach to submerged rocks. Both natural conditions and those created by man is what make coral reefs vulnerable to environmental stress.
What is a polyps habitat?
Polyps live in many underwater habitats. There are both fresh and salt water species. The most well known polyps are the individual animals that create coral reefs, which are generally found in shallow, tropical seas.
Why are coral reefs fragile?
Coral reefs are fragile ecosystems because they are sensitive to changes in water temperature, pollution, and physical damage. When these factors are disrupted, coral reefs become stressed and can have difficulty recovering, leading to a decline in health and biodiversity. Additionally, human activities such as overfishing and coastal development contribute to the fragility of coral reefs.
What is 2 herbivores that live in coral reefs?
The manatee and dugong are both 'underwater herbivores'. Both similar in appearance, but the manatee lives in fresh water, the dugong in sea water. Dugongs are thought to have started the myths of mermaids.
How do coral reefs affect ocean currents?
Coral reefs play a significant role in influencing ocean currents by altering water flow patterns around them. Their complex structures create friction and resistance, which can slow down or redirect currents. Additionally, reefs provide habitats that can affect the distribution and movement of marine organisms, further impacting local current dynamics. Overall, the presence of coral reefs can lead to localized changes in water circulation, influencing both ecological and climatic processes.
Do coral reefs have bones?
Yes. Coral is both the living and skeletal remains of Marine organisms. These in effect are the bones of the animals.
The most productive habitats are?
Both Rainforests and coral reefs. In the most productive habitats, rainforests and coral reefs, there are as many as tens of thousands of species of plants and animals for every 1 square kilometer.
How are oil and gas platforms similar to coral reefs?
Oil and gas platforms and coral reefs share similarities in that both provide habitats for diverse marine life. The structures of oil rigs can create artificial reefs, attracting various species that seek shelter and food, much like the complex ecosystems formed by coral reefs. Additionally, both environments can serve as important sites for biodiversity, supporting a range of organisms despite their different origins and purposes. However, the ecological impacts of oil and gas platforms can be detrimental, contrasting with the natural benefits provided by healthy coral reefs.
How do mangrove trees help coral reefs?
Mangrove trees play a crucial role in supporting coral reefs by stabilizing coastlines and reducing coastal erosion, which helps maintain the integrity of reef ecosystems. Their complex root systems provide habitat and nursery grounds for various marine species, including fish that are essential for coral health. Additionally, mangroves filter pollutants and sediment from the water, improving water quality and light penetration, which are vital for coral growth and survival. This interconnectedness highlights the importance of preserving both mangrove and coral reef ecosystems.
Which feature is a characteristic of healthy coral reefs?
A characteristic feature of healthy coral reefs is their high biodiversity, which includes a wide variety of marine species such as fish, invertebrates, and algae. Additionally, healthy coral reefs exhibit vibrant colors and robust coral structures, indicating strong growth and resilience. They also play a crucial role in coastal protection and provide essential ecosystem services, supporting both marine life and human communities.
