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Three main groups of ocean life are plankton, nekton, and benthos.
- What three groups are marine animals divided into?
- What are the 3 main marine ecosystems?
- What are the 5 groups of marine mammals?
- How many marine mammals are there?
- How many main types of ocean animals are there?
- What are the three main zones of the open ocean?
- What is a group of marine animals called?
- What are marine animals give two examples?
- What is ocean and its types?
- What are the four types of marine ecosystems?
- What are the example of marine ecosystem?
- Are fish marine animals?
- Is a seahorse a fish?
- What are the three families of pinnipeds?
What three groups are marine animals divided into?
Three main groups of ocean life are plankton, nekton, and benthos.
What are the 3 main marine ecosystems?
These include the open ocean, the deep-sea ocean, and coastal marine ecosystems, each of which have different physical and biological characteristics.
What are the 5 groups of marine mammals?
Marine mammals are classified into four different taxonomic groups: cetaceans (whales, dolphins, and porpoises), pinnipeds (seals, sea lions, and walruses), sirenians (manatees and dugongs), and marine fissipeds (polar bears and sea otters).
How many marine mammals are there?
This is a worldwide guide for the identification of marine mammals and those cetaceans, seals, and sirenians also found in freshwater. The 119 species include a variety of taxa: baleen whales, toothed whales, dolphins, porpoises, seals, sea lions, sirenians, marine otters, and the polar bear.
How many main types of ocean animals are there?
There are 228,450 known species in the ocean — and as many as 2 million more that remain a total mystery.
What are the three main zones of the open ocean?
Overview. There are three main ocean zones based on distance from shore. They are the intertidal zone , neritic zone , and oceanic zone . Distance from shore and depth of water define ocean zones.
What is a group of marine animals called?
Schools of Fish
A school of bannerfish swim over sea grass. We've all heard of “schools” of fish. In fact, we most commonly call groups of fish a “school” or “shoal.” Both words evolved from the same Dutch root word “schole,” meaning a troop or a crowd.
What are marine animals give two examples?
Aquatic animals pertain to animals that live predominantly in different water forms, such as seas, oceans, rivers, lakes, ponds, etc. Examples of aquatic animals include fish, jellyfish, sharks, whales, octopus, barnacle, sea otters, crocodiles, crabs, dolphins, eels, rays, mussels, and so on.
What is ocean and its types?
Historically, there are four named oceans: the Atlantic, Pacific, Indian, and Arctic. However, most countries - including the United States - now recognize the Southern (Antarctic) as the fifth ocean. The Pacific, Atlantic, and Indian are the most commonly known. The Southern Ocean is the 'newest' named ocean.
What are the four types of marine ecosystems?
Ocean ecosystems are divided into four zones: intertidal, pelagic, benthic and abyssal.
What are the example of marine ecosystem?
An example of a marine ecosystem is a coral reef, with its associated marine life — including fish and sea turtles — and the rocks and sand found in the area. The ocean covers 71 percent of the planet, so marine ecosystems make up most of the Earth.
Are fish marine animals?
Marine life, sea life, or ocean life is the plants, animals, and other organisms that live in the salt water of the sea or ocean, or the brackish water of coastal estuaries. ... The earliest vertebrates appeared in the form of fish, which live exclusively in water.
Is a seahorse a fish?
While seahorses appear to be very different from other fishes in the sea, they are fish nonetheless. They belong to the same class as all other bony fish (Actinopterygii), such as salmon or tuna. If one stretches a seahorse and lies it stretched out on its stomach, it is easy to see that they really are fish.
What are the three families of pinnipeds?
Pinnipeds are separated into three groups: earless seals, eared seals and walruses. Sometimes referred to as earless seals or true seals, marine mammals in the phocid family can be easily identified by looking at their ears and flippers.
