Ecosystems

Descripción

A Levels (A2) Biology Diapositivas sobre Ecosystems, creado por Jessica Phillips el 17/10/2015.
Jessica Phillips
Diapositivas por Jessica Phillips, actualizado hace más de 1 año
Jessica Phillips
Creado por Jessica Phillips hace más de 8 años
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Resumen del Recurso

Diapositiva 2

    What is an ecosystem?
    An ecosystem is...All the organisms living in a particular area and all non-living (abiotic) conditions found there.Ecosystems are dynamic systems as they are constantly changing.An ecosystem includes both biotic and abiotic factors.

Diapositiva 3

    Biotic Factors
    Biotic factors are living things within a ecosystem.Biotic factors of an ecosystem can include: Humans Disease Competition Predator/prey Invasive species
    Pie de foto: : Duck, Duck, Goose.

Diapositiva 4

Diapositiva 5

    Food Chains
    Food chains show how energy is transferred through an ecosystem.Energy mainly enters an ecosystem through photosynthesis in plants. Energy is transferred through the living organisms of an ecosystem.An organism that produces organic molecules using sunlight energy is a producer. An organism that eats other organisms is a consumer. Producers are eaten primary consumers. Primary consumers are eaten by secondary consumers. Secondary consumers are eaten by tertiary consumers.
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