Within its habitat, an organism is able to meet its needs for life, including food, shelter, and reproduction. It is also home to many diverse fish, plant, and crustacean species. There are three basic types of freshwater ecosystems: Lentic: slow moving water, including pools, ponds, and lakes. The term habitat should not be confused with niche, which means actual role of an organism where it is best fitted. A habitat is a place where an organism makes its home. There are a wide variety of freshwater habitats. Which is not a major similarity or difference between freshwater and marine ecosystems? The animal species that live in these habitats … A biome can be made up of a wide range of habitats. Freshwater habitats are divided into two major categories, lotic (lotus = washed, or running water), and lentic (lenis = calm, or standing water) habitats. ADVERTISEMENTS: Freshwater community consists of an array of organisms depending on the physico-chemical and biological characteristics of the freshwater environment. Habitats: A habitat is the environmental area in which a specific living organism lives. Biomes should not be confused with habitats. A habitat shift from saline to freshwater, coupled with increased landmass and thus increased available bodies of freshwater, led to a rapid radiation of freshwater Gammarus species. These constitute the microhabitats. Biologically, the habitat is the organism’s address and the niche is its profession. Importance of conserving freshwater habitats Conserving the freshwater habitats ensures their vital hydrological and ecological functions are safeguarded for the economic and social benefits of the population. They generate nearly 3% of its net primary production. Microhabitats. in the upper, middle and lower sections of a waterway microhabitats within each of these zones including banks, snags, rocks, channels, substrates, riffles, macrophytes (aquatic plants) and riparian vegetation. Freshwater ecosystems cover 0.78% of the Earth's surface and inhabit 0.009% of its total water. For an animal, that means everything it needs to find and gather food, select a mate, and successfully reproduce. Freshwater Fish of Hong Kong Introduction Composition of Freshwater Fish in Hong Kong Major Freshwater Fish Habitats Key Species of Conservation Concern Conservation Measures Tips and Codes of Observing Freshwater Fish References Introduction Hong Kong is a small territory on the edge of the northern tropical zone. Freshwater ecosystems contain 41% of the world's known fish species. A habitat meets all the environmental conditions an organism needs to survive. Freshwater is a precious resource on the Earth's surface. There are 5 major types of biomes in the world; aquatic biome, forest biome, desert biome, tundra biome and grassland biome. Most of the open ocean habitats are found in the deep ocean beyond the edge of the continental shelf. Most ocean life can be found in coastal habitats on the continental shelf, even if this area occupies only 7% of the total ocean area. Aquatic biome is further subdivided into freshwater biome and marine biome. The cycle of evaporation of ocean water, rain and snow provide these habitats a constant source of fresh water. a. both support a large number of plants and animals adapted for aquatic living b. ocean and freshwater system conditions generally remain constant throughout the year c. Use these classroom resources to help students explore and learn about these places. Habitat shift is no rare event in aquatic life, and therefore more studies along these lines are likely to shed more light on the formation of biodiversity. 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which of the following is not a freshwater habitat

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