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22 Cards in this Set
- Front
- Back
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Water percentage |
97 - oceans and seas 3 - fresh water From that 2.25 glaciers 0.75 fresh water |
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Species |
A group of organisms with many common induvidual characters, different from all other organisms in one or more ways, which has the ability to produce a feetile offspring by interbreeding |
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Population |
A group of organisms of the same species in a unit area in a given period of time |
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Community |
Populations if different species in particular area interacting with each other. |
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Ecosystem |
The functional and dynamic unit comprising of all living organisms and the abiotic environment with interact with each other |
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Main functional features of an ecosystem |
Flow of energy Cycling of elements Biotic biotic interaction Biotic abiotic interaction |
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Energy loss from triphic level to level is due to |
Energy used for staying alive Energy lost as heat Energy lost as undigested material |
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Primary productivity |
GPP - Amount of light energy converted to chemical energy by a unit area during a unit time by the primary producers. NPP - Amount of light energy converted to biomass by a unit area during a unit time by the primary producers. NPP = GPP - Respiratory energy. |
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Decomposers and detrivores |
Decomposers Break down organic matter accumulated in dead matter Detrivores Live on the refuse of a system Scavengers ( crabs and vultures) |
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First steps of these pathways 1.Grazing 2.Detritus |
1. Primary producers 2. Litter |
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Number pyramid inversion |
Mangrove forest |
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Largest resovoire of Carbon Carbon dioxide |
Ocean Atmosphere |
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Carbon cycle |
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Biomes |
Tropical Tropical rain forest Tropical grassland Tropical dessert Temperate Temperate broad leaf (deciduous) Temperate evergreen (chaparral) Temperate grassland Taiga ( coniferous forest) Cold Tundra |
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Tropical rain forest |
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Tropical Grassland (Savannah) |
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Tropical dessert |
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Temperate broadleaf |
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Temperate grassland |
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Temperate evergreen |
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Taiga |
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Tundra |
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