TODAY’S TASK List 3 things you do on a regular basis that are GOOD for the environment List 3 things you do on a regular basis that are BAD for the environment.

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Presentation transcript:

TODAY’S TASK List 3 things you do on a regular basis that are GOOD for the environment List 3 things you do on a regular basis that are BAD for the environment

AN INTRO TO ECOSYSTEMS

What is an Ecosystem? An ecosystem consists of all the interacting parts of a biological community and its environment. It is a specific area, in which climate, landscape, animals and plants are constantly interacting This includes PRACTICALLY EVERYTHING!!! ***WRITE THIS***

What Makes up an Ecosystem? Every ecosystem has 2 parts: BIOTIC FACTORS The living parts of an ecosystem Plants, animals, microorganisms, etc. ABIOTIC FACTORS The non-living parts of an ecosystem Water, oxygen, light, soil, nutrients, etc. ***WRITE THIS***

List as many Biotic and Abiotic Factors as you can from the image below.

A SUSTAINABLE ECOSYSTEM is a system that survives, functions, and is renewed over time Organisms can live and flourish for many generations It can withstand pressure and support a variety of organisms ***WRITE THIS***

“Sustain” means: 1) to endure and 2) to support All organisms require sustainable ecosystems for survival ***WRITE THIS***

Example: Tree cutting can reduce an ecosystem’s sustainability (ability to endure or support other organisms) HOW? HOW COULD HUMANS HARVEST LUMBER SUSTAINABLY?

How do humans effect sustainability? We take more than we put back!

Example: EASTER ISLAND

Was this a sustainable ecosystem once humans began to develop it? How did human activity affect this ecosystem?

Now, Into Specifics... (some important terms)

THE EARTH’S SPHERES ***WRITE THIS***

Everything in an ecosystem is composed of matter.

At any time, matter can occupy one of the 4 spheres that make up the Earth

1) LITHOSPHERE The hard part of the earth’s surface (land) ***WRITE THIS***

2) HYDROSPHERE All the water found on earth (lakes, oceans, rain, ground water) ***WRITE THIS***

3) ATMOSPHERE The layer of gases above the earth’s surface (air) ***WRITE THIS***

4) THE BIOSPHERE Consists of the regions of earth where living organisms exist ***WRITE THIS***