Introduction to Ecology

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Presentation transcript:

Introduction to Ecology

Terms to Know… (Read pages 29-35) Description Add on From PPT Ecology Ecosystem Biotic Abiotic Sustainable Species Population Community Niche Biome Biosphere Atmosphere Lithosphere Hydrosphere

Ecology Ecology is…… The study of interactions between living (biotic) and non-living (abiotic) components in ecosystems.

Ecosystems An ecosystem is a complex, self regulating system in which living things interact with each other and with non-living things. Ecosystems come in all sizes and are made up of different biotic and abiotic factors.

Biotic or Abiotic? Sunlight Frog Grass Wind Temperature Tree Oil Human

Using the following diagram, list as many abiotic and biotic factors that you can!

Using the following diagram, list as many abiotic and biotic factors that you can!

Using the following diagram, list as many abiotic and biotic factors that you can!

Sustainability Sustainable: populations of plants, animals and other living organisms can continue to interact and reproduce indefinitely.

Parts of an Ecosystem Species: group of organisms in an ecosystem that can reproduce with each other, and their offspring are viable Population: groups of members of the same spp. that live in the same area Community: populations of different spp. (biotic factors) that live and interact in an area Niche: organisms role in an ecosystem

Ecosystems combine to make biomes! large geographical area that contains similar ecosystems categorized by plants, temperature and average rainfall There are 5 terrestrial (land) biomes in Canada, and 2 aquatic (water) biomes. Biomes combine to make the biosphere!

Biosphere  The part of the planet, including water, land and air, where life exists.

There are 3 main components that make up the physical environment of the biosphere: Atmosphere Lithosphere Hydrosphere

The Atmosphere Layers of gases that surround the Earth Contains water, carbon dioxide, ozone Helps keep the planet warm

The Lithosphere Earth’s solid, outer layer Includes the rigid crust and upper mantle Runs 100km down from the surface Includes soil

The Hydrosphere All the water on Earth ~97% of this water is salt water in the Earth’s oceans All living things depend on water for survival

Can these spheres work on their own?

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