CORNELL NOTES
Unit:
Name: _________________________________
Ecology
Date: _________________________________
Topic: __Notes_____
Questions / Main Ideas/
Vocabulary/ Titles/ Headings
Answers/ Details/ Definitions/ Diagrams/ Lists
Living Earth- pp. 332-335
What are 3 things that make up
the biosphere? pp. 332
What is an ecosystem? pp. 333
How are the terms habitat &
biosphere related to each other?
pp. 332-335
What is the major difference
between a community and a
population?
List the levels of organization:
(start at the bottom with single
organism and move up to
largest)
BONUS: Does the amount of rain
that falls in an area determine
what kind of organisms can live
there? Why or why not?
6.
5.
4.
3.
2.
1.
ORGANISM
Populations pp. 336-343
What is population density? pp.
337
How are limiting factors related
to carrying capacity? pp. 338339
What would happen if no limiting
factors restricted the growth of a
population? pp. 340
Interactions pp. 344-348
How are producers different from
consumers? pp. 344-345
Explain why ALL consumers are
ultimately dependent on
producers for food? pp. 344
DECOMPOSERS
Definition:
Symbiotic Relationships:
Define and give example of
each…
Mutualism
Definition:
Examples:
Example:
Commensalism
Definition:
Example:
Parasitism
Definition:
Example:
Why does each species have its
own niche? pp. 347
What is the difference between a
habitat and a niche?
pp. 335&347
List/illustrate 3 predator/prey
relationships pp. 348
1.
2.
3.
**Draw Illustration of each**
Compare/Contrast the diets of
omnivores & herbivores.
Give examples of each.
Herbivores
Omnivores
ALIKE
pp. 345
Example:
Example:
Carnivores
Definition:
Examples:
Scavengers
Definition:
Examples:
Abiotic Factorspp. 360-366
List the 6 abiotic factors:
1.
2.
3.
4.
5.
6.
What does sunlight provide for
life on Earth?
What is the difference between
abiotic and biotic factors?
What substances in the air are
required for life on Earth?
Why is soil considered both a
biotic and abiotic factor?
Energy Transfer pp. 374-383
Why does the first feeding level
of the energy pyramid contain
the most energy?
Fill in the Energy Pyramid:
Trophic levels:
Producer
Primary consumer
Secondary consumer
Tertiary Consumer
Quaternary Consumer
What happens to the available
energy as you move UP the
energy pyramid?
Which group makes up the
largest level in an energy
pyramid?
Why is a food web a better
model than a food chain?
Food Web
Draw a food web of these
organisms:





Caterpillars and rabbits
eat grasses
Mice eats grass seeds
Bobcats eats rabbits and
mice
Birds eat caterpillars
Snakes eat rabbits, mice
and birds (eggs)