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22 Cards in this Set
- Front
- Back
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The factors that contribute to the survival of a population
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factors such as shelter
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A species way of life within its habitat. Can include its diet
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feeding techniques
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Describes the living component of an ecosystem. eg: Humans
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animals
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Describes the non-living compnents of an ecosystem. eg: Tempreture
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heat
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The flow of energy in an ecosystem
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begining with producer. eg: Algae - carp - kingfisher bird - water snake.
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A network of interrellated food chains
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showing the flow of energy in a particular ecosystem.
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Supports all other levels
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Atotrophs. Chemosynthetic
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Rely on producers for their energy
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Ranked by trophic level (1st
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Break down dead and rotting matter outside their body and absorb the nutrients
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return the nutriends back to the soil.
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Plant feeder
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Prey
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Plant and Animal Feeder
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Prey
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Meat feeder
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Predator
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Respiration
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waste
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One kind of organism (parasite) lives on or in another (host) and feeds on it
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typically without killing it. The host may suffer various negative effects in this relationship
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Removal of trees for farming can lead to loss of wildlife
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errosion and disrupt the food cain/web.
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A change in the abiotic part of an aquatic ecosystem can lead to death of water species
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bacterial growth
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Burning off crops to return nutrients to the soils can lead to loss of life
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regrowth of plants and bush fires.
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Carbon emission
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methane can cause global warming by heating the earth.
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Migration occurs
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increases genetic diversity.
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Internal Changes
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Body function.
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e.g. bacteria
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cane toads
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e.g. most mammals
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humans
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