Does the deep sea have biodiversity?

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Is the deep sea biodiversity?

Deep-sea ecosystems represent the largest biome of the global biosphere, but knowledge of their biodiversity is still scant. … A large fraction of exclusive species was associated with each specific habitat or ecosystem. Thus, each deep-sea ecosystem contributes significantly to overall biodiversity.

Does the deep sea have high diversity?

It is now accepted that the deep-sea has high diversity and it has been suggested that in the deep- sea there may be up to 10 million new species yet to be de- scribed (Grassle & Maciolek 1992; Am. … Species diversity is very similar to that of the deep-sea and species- area curves have almost identical slopes.

Why is there less biodiversity in the deep sea?

Changing conditions like warmer water and reduced oxygen, along with overfishing of the tuna that provided competition and predation, are believed to be the causes of its range expansion.

Does biodiversity increase with depth in the ocean?

Species richness decreases with depth in the ocean, reflecting wider geographic ranges of deep sea than coastal species.

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Why is diversity high in the deep sea?

He suggested that because the deep sea is monotonous and predictable (i.e., it is stable), populations have the evolutionary time to become newly specialized in how they feed. Over time, these populations become so specialized they evolve into totally new species, eventually driving diversity up.

How much biodiversity is in the ocean?

The world’s oceans contain somewhere between 500,000 and 10 million marine species. bacteria, other microbes and viruses. Much of the biodiversity in the ocean, particularly in the deep sea and in the microbial ocean, is unknown, and up to 2,000 new species are described per year.

Why is sea life so diverse?

“The oceans we see today are filled with a dizzying array of species in groups like fishes, arthropods, and mollusks, not because they had higher origination rates than groups that are less common, but because they had lower extinction rates over very long intervals of time.”

Is the deep sea a stable environment?

(1) Indeed, the deep-sea environment is stable on ecological timescales, at least compared to shallow seas. … Thus it is likely that deep-sea species diversity is better known than expected by its limited exploration and inaccessibility.

What do you know about biodiversity?

Biodiversity is a term used to describe the enormous variety of life on Earth. … Biodiversity refers to every living thing, including plants, bacteria, animals, and humans. Scientists have estimated that there are around 8.7 million species of plants and animals in existence.

What are the examples of high biodiversity explain why you classify them as high biodiversity?

Example of ecosystem with high biodiversity is tropical rain forest as seen in Amazon basin of south America. Such forests are also thriving in parts of central Africa and also in islands of Indonesia. In marine environment, coral reefs are example of high biodiversity aquatic ecosystems.

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