Ecosystem | Introduction To An Ecosystem | - Environmental Science

Environmental Science: High School Learning:
Introduction to an Ecosystem:

A. What is an Eco-System:An environment around us.
Parts of Eco-System.
Biotic
Abiotic

Abiotic Factors (non-living):
Climate
Fire
Rainfall
Inorganic
Organic
Biotic Factors (living):
-Animals
-Plants,etc

B. Types of Ecosystem
Based on Nature (Natural/Man-made)
Based on Duration (Temporary/Permanent)
Based on Size (Small or Micro and Large or Macro)

C. Food Web: Energy transformation from one level to another.

D. Habitat: A place to live for both the living and non-living components.
E. Ecological Niche: The role a species serve in its ecosystem including what it eats,what eats it, and how it behaves.
Why two organisms cannot occupy the same niche?
-No two species can occupy the exact same niche in nature because then either one will die off due to competition for limited resources.

G. Structure of Ecosystem:
Physical Structure (interaction of biotic and abiotic components)
Species Composition (identification and enumeration of plants and animal species)
Stratification (Vertical distribution of different species occupying different levels)

Videos by Edupedia World(www.edupediaworld.com),
Online Education, Click on (    • Environmental Science   ) for more Videos.
All Rights Reserved.