Animals can be found everywhere, in â¦ The next level of the marine food chain is made up of animals that feast on the sea's abundant plant life. The definition of an ecosystem is a group of living organisms existing in a network of interactions with each other and their envi-ronment. In these ecosystems materials are cycled and recycled. Studying ecosystems is known as ecology. Marineâ > â Animals & Plants of the Marine. Marine life, or 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.At a fundamental level, marine life affects the nature of the planet. Marine ecosystems are defined by their unique biotic (living) and abiotic (nonliving) factors. Coral polyps, the animals primarily responsible for building reefs, can take many forms: large reef building colonies, graceful flowing fans, and even small, solitary organisms.Thousands of species of corals have been discovered; some live in â¦ Similarly, many marine species including marine mammals, sea turtles and salmonids are also on the edge of extinction as climate change and overfishing become a â¦ From sharks and sea turtles to ecosystems and corals, youâre in the right place to take a deep dive into life under the â¦ Marine Ecology is the scientific study of marine-life habitat, populations, and interactions among organisms and the surrounding environment including their abiotic (non-living physical and chemical factors that affect the ability of organisms to survive and reproduce) and biotic factors (living things or the â¦ The Animals: Whales; Sea Otters; Fish; Mollusks; Crustaceans; and â¦ Coral reefs are some of the most diverse ecosystems in the world. What is a Biome? Sources. A marine ecosystem is one that occurs in or near salt water and is the kind that is studied in marine â¦ Biotic factors include plants, animals, and microbes; important abiotic factors include the amount of sunlight in the ecosystemâ¦ All ecosystems have certain things in common and marine ecosystems have a few unique twists to these cycles. Explore the Marine Life Encyclopedia to learn fun facts and more about your favorite marine animals. Like all ecosystems, marine ecosystems are mostly self-sustaining systems of life forms and the physical environment. Marine organisms, mostly microorganisms, produce oxygen and sequester carbon.Shorelines are in part shaped and protected by marine â¦ An ecosystem is the collection of living and non-living things in an area, and their relationship to each other. Marine organisms have adapted to the great diversity of habitats and distinctive environmental conditions in the marine environment.Adaptations are many and varied but they are generally grouped into 3 main categories: structural, physiological and behavioural. Marine ecosystems include a unique combination of animals, plants, microorganisms and coastal and ocean habitats . Different types of adaptations. Sitemap. Marine ecosystems are a part of the largest aquatic system â¦ It is how animals, plants and the environment interact together and thrive. Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean. On land, animals like Orangutan, Black Rhinos, Amur Leopard and Giant Pandas are some of the most critically endangered species in the world.