What creatures are lowest in the ocean? The most abundant organisms in the ocean are:

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The plum blossoms in Ningguo Mansion are in full bloom, and Jia Zhen's wife You Shi invites Jia's mother and others to enjoy it.

The most abundant organisms in the ocean are plankton. The organisms that live in the ocean are called marine organisms, marine organisms include marine animals, marine plants, microorganisms and viruses, etc., and among all marine organisms, plankton is the most abundant category, and common plankton are krill, jellyfish, jellyfish, etc.

What is the most abundant living thing in the ocean.

Ocean is a geographical term that refers to the vast body of water on the earth's surface separated by major landmasses, which are vast waters that communicate with each other. The ocean is composed of two parts, the sea and the ocean, the central part of the body of water is the ocean, and the part of the edge close to the land is the sea. The total area of the ocean is 100 million square kilometers, accounting for more than 70% of the earth's surface area, much larger than the land area.

The living species living in the ocean are collectively called marine organisms, marine organisms include marine animals, marine plants, microorganisms and viruses, among which marine animals include invertebrates and vertebrates, invertebrates such as octopuses, squid, and various shells, etc., and vertebrates are common fish chain dust and large marine animals, such as sharks, whales, etc.

Of all the marine organisms, plankton are the most abundant group and far outnumber other marine organisms. Plankton generally refers to organisms that live in the water and have no ability to move or have very weak ability to move, and can be divided into two categories: phytoplankton and zooplankton, most of which are small in size and invisible to the naked eye, and are mainly controlled by the water flow and move.

The most abundant organisms in the ocean are: marine mollusks, marine crustaceans, marine protozoa, algae diggers, and cnidarians.

1. Marine mollusks.

They secrete limestone from their bodies, which are used as building materials to build "houses" and use as their own shelters, often referred to as shellfish. There are many species of molluscs, second only to arthropods – more than 100,000 species exist.

2. Marine crustaceans.

Marine crustaceans are marine animals with segmented bodies, chitin (chitin) shells, 5 pairs of appendages on the head (the first two pairs are antennae), and breathe with gills or **, and are also one of the most abundant creatures in the ocean.

3. Marine protozoa.

Protozoa are the most primitive and lowest-ranking animals in the animal kingdom; Marine protozoa, on the other hand, are tiny, single-celled (including groups of single-celled) marine animals.

4. Algae plants.

The most abundant organisms in the ocean are the plankton of the hall, which is also one of the largest groups of organisms in the ocean, while the most abundant algae are among the plankton.

5. Cnidarians.

C. candida, also known as cnidarians, used to be called coelenterates because its meaning applies to cnidarians and ctenophores, so it is now mostly abandoned.

The most abundant organisms in the ocean are plankton, which are drifting organisms that live in water and lack the ability to move effectively. Plankton are small, mostly invisible to the naked eye, and have a poor ability to swim, moving mainly by currents. Common plankton are jellyfish, krill, small jellyfish, diatoms, bacteria, etc.

In oceans or deep lakes, plankton inhabit water columns at different depths. But for phytoplankton to photosynthesize, they can only be distributed in the upper layer with light.

Plankton generally refers to drifting organisms that live in water and lack the ability to move effectively, including phytoplankton and zooplankton. Some plankton are capable of swimming, but they tend to swim slower than the currents in which they are located, and therefore cannot swim effectively and flexibly in the water.

Plankton, in the ocean, lakes and rivers, are completely unable to move, or are very weak, so they cannot move against the current, but float on the surface of the water, this kind of organisms are collectively called plankton.

Plankton are the basis of the productivity of other organisms in the waters, and due to their wide distribution and strong fecundity, they are natural bait for shellfish, shrimp and fish larvae. However, some plankton such as cyanobacteria and dinoflagellates can produce "lake indigo" or "red tide" if they are overdeveloped, killing economic aquatic animals.

The most abundant organisms in the ocean are plankton.

Plankton are tiny organisms that inhabit bodies of water and move by floating or moving on their own. They mainly include phytoplankton and zooplankton, and the plankton communities that arise in water bodies are called plankton clusters. Plankton is the most abundant in the ocean, and is one of the most basic and abundant ecological communities in the marine ecosystem.

Plankton plays a very important role in the entire marine food chain and is the foundation of the marine food chain, providing abundant nutrients for other organisms. In addition, plankton in the ocean can also absorb large amounts of carbon dioxide and participate in the marine carbon cycle.

Planktonic Nakrot plants include unicellular algae, diatoms, calcium, etc. They convert carbon dioxide and water into organic matter through photosynthesis and release oxygen. The growth of phytoplankton is related to factors such as species and nutrients and light environment in the water body.

Zooplankton include planktonic jellyfish, planktonic shrimp, zooplankton crabs, etc., most of which are crustaceans under the phylum Appendicoos. Zooplankton can obtain nutrients by eating phytoplankton and other plankton, and are also an important link in the marine life chain.

Diversity of marine life

The diversity of marine life is extremely rich. There are tens of thousands of species of fish, about 20,000 species of shellfish, nearly 200,000 species of crustaceans, and more than 2,000 species of seaweed. In addition, there is a large number of plankton and benthic organisms in the ocean.

In the marine ecological system, various marine organisms interact, interdepend and restrain each other, and jointly maintain the stability and balance of the marine ecosystem. There are many complex relationships between different marine biomes, such as plankton communities can affect ocean temperature and color, and can also have a reaction to temperature and seawater.

However, human activities pose a threat to the diversity of marine life. Compared with terrestrial life, the conservation of marine life is very difficult to monitor, protect and restore, so the implementation of measures such as establishing marine protected areas, reducing pollution, and controlling fishery resources is urgent.

Categories: Education, Science, >> Science & Technology.

Problem description: The most abundant organisms in the ocean are more than 5 species.

The proportion of marine life in the world, and 10 points will be added to the answer).

The more detailed the better, thank you!!

Analysis: After decades of investigation and research by marine science and technology workers, 20,278 species of marine organisms have been recorded in the waters under the jurisdiction of China. These sea creatures belong to 5 kingdoms and 44 phyla.

Among them, the animal kingdom has the largest number of species (12,794 species) and the prokaryotic kingdom has the least (229 species). China's marine species account for about 10% of the total number of marine species in the world. According to the distribution of marine organisms in China's waters, they can be roughly divided into two categories: marine organisms in waters and marine organisms in tidal flats.

Among the marine life in the water, fish, cephalopods (such as the cuttlefish, also called cuttlefish) and shrimp and crabs are the most important marine organisms. Among them, fish have the largest variety and quantity, and constitute the main body of marine life in the waters. The distribution trend of marine species in the waters is more in the south and less in the north, that is, there are more species in the South China Sea, while there are fewer species in the Yellow Sea and Bohai Sea.

According to the latest survey data, there are more than 1,580 species of marine organisms distributed in China's tidal flats. Among them:

Molluscs (what we usually call shellfish) have the most species, with 513 species, followed by seaweeds with 358 species, and crustaceans.

There are 308 species of shrimp and crabs, and there are very few other taxa. Biology of our country along the tidal flats.

The number of species, like that of marine organisms, gradually increases from north to south.