Download 1. Structure of an ecosystem

AIM: How is an ecosystem
structured?
DN: Explain what an environment
is. Describe the environment you
are in right now.
HW: Article Assignment
What is the environment?
It is every living &
nonliving thing
that surrounds an
organism.
What do you see in this fish
tank environment?
Components of the Environment
GROUP 1
GROUP 2
Biotic Factors – living things
Abiotic Factors – nonliving things
Soil, water, space,
energy
What is ecology?
Air
Fish
Study of how
biotic and
abiotic factors
interact in the
environment
Plants
Gravel
Rocks
http://www.discovery.com/tv-shows/othershows/videos/assignment-discoveryshorts-abiotic-and-biotic-factors.htm
What is the smallest level of
ecological organization?
Organism – an individual living thing
What is a population?
All the organisms of a species that live
in the same area.
COMMUNITY
• ALL Populations that live
together in THE SAME AREA
What is a habitat?
The place where an
animal or plant lives.
What is an ecosystem?
An ecosystem consists of all the
living and nonliving things that
interact in a specific area.
Biome
Group of terrestrial (land)
ecosystems that have the same
climate & communities
TROPICAL RAIN FOREST
BIOME
Characteristics:
1) Abundant Rain
2) Greatest diversity of life
3) Located near the equator
BIOSPHERE
The part of
Earth where
life exists,
including
land, water &
atmosphere
Can you identify each level?
• Biosphere
• Ecosystem
• Community
• Population
Smallest
Largest
Organism, Population, Community, Ecosystem, Biome, Biosphere