Ecosystem
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Transcript of Ecosystem
: the study of interactions among organisms with each other and with environment
ECOLOGY : นิเวศวทิยา
http://youtube/GUY_-LK_lOc
Organism : The living things
http://youtu.be/EdKhQVHc3Ao
- all the individuals of the same species in an area
A population is a group of living organisms of the same kind living in the same place at the same time
Population
A population is always composed of same-species organisms
population is a group of living organisms
of the same kind living in the same place at the same time.
Habitat is the place where a population lives
The habitat must supply the needs of organisms, such as food, water, temperature, oxygen, and minerals. If the population's needs are not met, it will move to a better habitat
Habitat
Habitats are specific to a population. Each population has its own habitat. For example, a population of ants has its own habitat
Community - all the populations that live
together in an area
The community of living things interacts with the
non-living world around it to form the ecosystem
Ecosystem : is a functional unit consisting of
living things in a given area, non-living chemical and physical factors of their environment, linked together through nutrient cycle and energy flow.
Biome - large area that has a particular climate, and particular species of plants and animals that live there
Biomes are ecosystems where several habitats intersect. The Earth itself is one large biome. Smaller biomes include desert, tundra, grasslands, and rainforest.
A fundamental classification of biomes is: 1.Terrestrial (land) biomes 2.Freshwater biomes 3.Marine biomes
BIOSPHERE
The world of living things (Biosphere) refers to
various ecosystems. Ecosystems together.
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