A habitat is an ecological or environmental area that is inhabited by a particular species of animal, plant, or other type of organism.
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity.
Plants are mainly multicellular, predominantly photosynthetic eukaryotes of the kingdom Plantae.
In biology, an organism is any individual entity that propagates the properties of life.
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The term typically refers to the zone in which the organism lives and where it can find food, shelter, protection and mates for reproduction.
Food is any substance consumed to provide nutritional support for the body.
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It is the natural environment in which an organism lives, or the physical environment that surrounds a species population.
In biology, a population is all the organisms of the same group or species, which live in a particular geographical area, and have the capability of interbreeding.
A habitat is made up of physical factors such as soil, moisture, range of temperature, and light intensity as well as biotic factors such as the availability of food and the presence or absence of predators.
Soil is a mixture of minerals, organic matter, gases, liquids, and countless organisms that together support life on Earth.
Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum.
Moisture is the presence of a liquid, especially water, often in trace amounts.
Every organism has certain habitat needs for the conditions in which it will thrive, but some are tolerant of wide variations while others are very specific in their requirements.
A habitat is not necessarily a geographical area, it can be the interior of a stem, a rotten log, a rock or a clump of moss, and for a parasitic organism it is the body of its host, part of the host's body such as the digestive tract, or a single cell within the host's body.
Mosses are small flowerless plants that typically grow in dense green clumps or mats, often in damp or shady locations.
Habitat types include polar, temperate, subtropical and tropical.
The terrestrial vegetation type may be forest, steppe, grassland, semi-arid or desert.
In physical geography, a steppe is an ecoregion, in the montane grasslands and shrublands and temperate grasslands, savannas and shrublands biomes, characterized by grassland plains without trees apart from those near rivers and lakes.
A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life.
Grasslands are areas where the vegetation is dominated by grasses, however sedge and rush families can also be found.
Fresh water habitats include marshes, streams, rivers, lakes, ponds and estuaries, and marine habitats include salt marshes, the coast, the intertidal zone, reefs, bays, the open sea, the sea bed, deep water and submarine vents.
Fresh water is naturally occurring water on Earth's surface in ice sheets, ice caps, glaciers, icebergs, bogs, ponds, lakes, rivers and streams, and underground as groundwater in aquifers and underground streams.
A lake is an area filled with water, localized in a basin, that is surrounded by land, apart from any river or other outlet that serves to feed or drain the lake.
The intertidal zone, also known as the foreshore or seashore, is the area that is above water level at low tide and underwater at high tide.
Habitats change over time.
This may be due to a violent event such as the eruption of a volcano, an earthquake, a tsunami, a wildfire or a change in oceanic currents; or the change may be more gradual over millennia with alterations in the climate, as ice sheets and glaciers advance and retreat, and as different weather patterns bring changes of precipitation and solar radiation.
A glacier is a persistent body of dense ice that is constantly moving under its own weight; it forms where the accumulation of snow exceeds its ablation over many years, often centuries.
A tsunami, also known as a seismic sea wave, is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake.
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface.
Other changes come as a direct result of human activities; deforestation, the ploughing of ancient grasslands, the diversion and damming of rivers, the draining of marshland and the dredging of the seabed.
The introduction of alien species can have a devastating effect on native wildlife, through increased predation, through competition for resources or through the introduction of pests and diseases to which the native species have no immunity.
In an ecosystem, predation is a biological interaction where a predator feeds on its prey.