Ecology. Ecology is study of interactions between  non-living components (abiotic factors) in the environment… light water wind nutrients in soil heat.

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Presentation transcript:

Ecology

Ecology is study of interactions between  non-living components (abiotic factors) in the environment… light water wind nutrients in soil heat solar radiation atmosphere, etc. AND…

 Living organisms (biotic factors)… Plants Animals microorganisms in soil, etc.

Organism  An organism is any single living creature.  Organism can be single celled or made up of many cells working together. Plants Animals Fungi Protista Bacteria

Populations  All the organisms in an ecosystem that belong to the same species They must be able to interbreed with each other!

Community  A community is all the populations of different species that live in an ecosystem. Community ONLY consists of living organisms!

Community Community of African savannahs Community of African grasslands Community of farm animals

Ecosystem  All the organisms living in an area and the nonliving features of their environment Living (biotic) and nonliving (abiotic)

Biomes  Biomes are regions of the world with similar climate (weather, temperature) animals and plants.  Consist of living and nonliving

Biomes Tundra Desert Rain Forest Tiaga Grasslands Ocean Temperate Forest

Biosphere  The biosphere is defined as the sphere or area around the planet Earth where life exists. OUR LIVING WORLD

Biosphere Biomes Ecosystem Community Population Organism They ALL relate to each other!

ENERGY flowing through an E C O S Y S T E M creates a simple FOOD CHAIN diagram.

Food chains – arrows show the direction of energy flow.

Relationships  The relationships between organisms in an ecosystem can be shown by a food web.