Download Organism Population Community Ecosystem Biosphere

1/31/2016
ECOLOGY
INTRODUCTION
TO

Ecology- the study of the relationship
between organisms and their environment

WE STUDY PATTERNS AND TRY TO
EXPLAIN THEM…
ECOLOGY
ORGANIZATION OF ECOLOGY
VOCABULARY
1. abiotic factor
 chemical or physical factors; non-living factors
Organism
that affect living organisms
2. biotic factors
Population
 LIVING factors that affect living organisms
Community
Ecosystem
Biosphere
ABIOTIC OR BIOTIC?
• Determine if the following are abiotic or biotic
factors. (create a chart)
 Predator
 Annual precipitation
 soil pH (acidic or
 Pollution
basic)
 Plants
 light intensity
 CO2 levels
 bacterial disease
ABIOTIC
BIOTIC
CHECK YOUR ANSWERS
Abiotic
Biotic

Soil pH
Light intensity
 Annual precipitation
 Pollution
 CO2 levels



Predators
Bacterial disease
 plants
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VOCABULARY
VOCABULARY
3. Population
5. Ecosystem
• A groups of organisms of the same species,
• relationship between organisms, abiotic factors,
living in the same area, compete for the same
resources, and interbreeding.
4. Community
and the habitat
• Adding abiotic factors to a community
6. Biosphere
• collection of populations that share the same
• The part of the earth (land and/or water) and its
resources; many different species in the same
area
• All the biotic factors in one area
atmosphere that can support life
MORE VOCABULARY
7. Habitat
 physical space/area in which an organism lives
8. Niche
 status of the organism within its habitat and
community
 its “job” or way of life
BACK TO THE ORIGINAL IDEA

Any change at one level effects all other
levels…


“Ripple Effect”
THINK ABOUT:

Why is it that the number of people with Lyme
Disease directly correlates with the annual
rainfall for the previous year?
POLAR BEAR
Habitat
Niche
Alaska, Canada,
Greenland
 associated with
packed snow
 average temp= sub
zero
 seals, eggs,
vegetation


Predator
Breeds April
through June
 Prefer solitary
except mother/cub
pairs; mating
season; abundant
food sources

ACTIVITY
On a blank sheet of paper draw a pyramid
like in your notes.
 Draw a picture that illustrates each level of
ecology.

Organism
Population
Community
Ecosystem
Biosphere
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