Which two ecosystems serve as spawning grounds and nurseries for the majority of marine fish and shellfish quizlet?
Estuaries sever as spawning and nursery grounds for many ecological important fish and shellfish species including bluefish, striped bass, shrimp, and crabs.
What are the 7 aquatic ecosystems?
Aquatic ecosystems include oceans, lakes, rivers, streams, estuaries, and wetlands. Within these aquatic ecosystems are living things that depend on the water for survival, such as fish, plants, and microorganisms. These ecosystems are very fragile and can be easily disturbed by pollution.
What are aquatic ecosystems classified by?
Aquatic ecosystems are divided into two major groups: marine, or saltwater, and freshwater, sometimes called inland or nonsaline. Each of these can be further subdivided, but the marine types are more typically grouped together than the freshwater ecosystems.
What are the 3 types of aquatic organisms?
Aquatic organisms generally fall into three broad groups: plankton, nekton, and benthos. They vary in how they move and where they live.
Which aquatic ecosystems are most appropriately describes as the nurseries of the sea?
Estuaries: Nurseries of the Sea. Estuaries are often called the “nurseries of the sea” because so many marine animals reproduce and spend the early part of their lives there.
Why are Arctic ecosystems considered marine ecosystems?
arctic ecosystems contain an enormous amount of frozen sea water. … phytoplankton form the basis of arctic food webs.