Assg: ALL
Name
BASIC ECOLOGY NOTES PPT WORKSHEET
Date
pd.
1. _____________ - the scientific study of _______________ between _____________and their______________,
focusing on _________transfer. It is a science of________________.
2. The environment is made up of _____ factors:
 _________ factors- all ___________ organisms inhabiting the Earth
 __________ factors- ____________ parts of the environment (i.e.______________, soil, _________, moisture,
_____ currents)
3. ____________- any unicellular or multicellular form exhibiting all of the characteristics of life, of an individual. It is
the ___________ level of organization.
4. _______________ -a group of organisms of one species living in the same place at the same time that
_____________.
a. A population will produce
b. A population will
with each other for
5. _____________________ - several interacting population that inhibit a common environment and are
interdependent.
6. _____________________ - populations in a community and the abiotic factors with which they interact (ex. marine,
terrestrial)
7. _____________________ - life supporting portions of Earth composed of air, land, fresh water, and salt water. The
highest level of organization.
8. _____________________ - the _____________________ in which an organism lives out its life (address).
9. _____________________ - the _____________________ a species plays in a community (job).
10. A _____________________ is determined by the _____________ _____________of an organism, or
a____________ __________.
11. _____________________ factor- any biotic or abiotic factor that _________ the ____________of organisms in a
specific environment. Examples of limiting factors include: Amount of _____________________ amount of
_____________________, _____________________, amount of space and availability of mates.
Feeding Relationships
___
___
___
___
___
___
___
___
12. A type of consumer that breakdown complex compounds of dead and decaying
plants into molecules that can be absorbed.
13. A type of consumer that eats only consumers.
14. A type of consumer that eats producers and other consumes.
15. A type of consumer that eats producers.
16. A type of producer that uses chemical energy and transforms it into useable organic
“food”.
17. A type of producer that uses light energy and transforms it into useable organic
“food”. On land-plants, in the sea-algae, marshes-cyanobacteria.
18. All heterotrophs: organisms that ingest (eat) other organisms which contain the
sun’s energy.
19. Autotrophs that use light energy for photosynthesis
A.
B.
C.
D.
E.
F.
G.
H.
Carnivores
Chemoautotroph
Consumer
Decomposers
Herbivores
Omnivores
Photoautotroph
Producer
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Symbiotic Relationships
___ 20. BOTH species benefit! These species even evolves together.
___ 21. One species benefits (parasite) and the other is harmed (host)
___ 22. One species benefits and the other is neither harmed nor helped.
___ 23. Two species living together
Symbiosis Review with examples
Type of relationship
Example
1. Mutualism
Barnacles living
on whales
Species harmed
A.
B.
C.
D.
Commensalism
Mutualism
Parasitism
Symbiosis
Species benefits
Species neutral
Barnacles
Whale
2. Mutualism
3. Parasitism
4. Commensalism
Trophic Levels
1. Each _____________________ in a food _____________________ is known as a _____________________ level.
2. Trophic levels represent a feeding ______ in the _____________________ of _____________________ and
matter in an ecosystem.
3. _____________________ - the _________ of __________ matter comprising a group of organisms in a habitat.
4. As you move ________ a food chain, both available
5. ___________________ is transferred upwards but is _____________________ with each transfer.
6. Identify the trophic levels: producers –or autotrophs 


7. What do energy pyramids show?
8. _____________________ -chain- __________ model that shows how matter and __________ move through an
ecosystem.
9. Food _____________________ -shows ____ possible feeding _____________________ in a community at each
_____________________ level. Represents a _____________________ of interconnected food
_____________________
10. While energy _____________________ -as it moves up the food chain, __________ ___________ in potency. This
is called _________________ ________________
SHOW ME THIS HANDOUT FOR CREDIT AND
THEN TAPE THIS HANDOUT IN YOUR NOTEBOOK.
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