Download Review for Ecology Test

Name: ____________________________ Hr:_____
Ecology Study Guide
MUST BE 100% done to take the Test!!!!!
PAGE NUMBERS TO READ AND STUDY
Chapter 3: p. 64-78
Chapter 4: p. 99-104
Chapter 5: 130-141
Extra Credit Opportunity
Do Flash Cards!
1. A biotic factor is any __________ component of the environment.
Give 2 examples of a biotic factor:
2. An abiotic factor is any _____________ component of the environement.
Give 2 examples of an abiotic factor:
3. Match the following:
a. Species
b. Population
c. Community
d. Ecosystem
e. Biome
f. Biosphere
________
_________
_________
_________
_________
__________
1. All zebra that live in a certain
grassland.
2. Zebra
3. Zebra, lion, anteaters, grass and
trees in a certain area
4. All the zebras, lions, anteaters, grass
and trees in an area as well as the
amount of sunlight and water
available.
5. All the living and non living things on
our planet
6. All the grassland area in the world,
including all living and non living
components
4. The ________________ is the largest population that can be supported in a certain
environment.
5. What is the definition that I gave to you for a niche?
6. Describe one predator/prey relationship.
7. What is symbiosis?
Name: ____________________________ Hr:_____
8. Match the following symbiotic relationships.
a. Commensalism_________
b. Mutualism
_________
c. Parasitism
_________
1. Both organisms benefit,such as
e.coli living in you intestines to
help break down food
2. One organism benefits and one
organism is harmed ,such as a
tick feeding on human blood
3. One organism benefits and one
is unaffected, such as bacteria
feeding on human skin cells on
the hand but not causing disease
to the human
9. ____________ will result when 2 organisms obtain the same niche, meaning they are
using the exact same food resource and shelter in the exact same habitat.
10. What is the definition of ecology?
11. The number of individuals of a population in a specific area is called population
__________.
12. Match the following:
a. Omnivore
b. Herbivore
c. Carnivore
d. Scavenger
e. Decomposer
_______
_______
_______
_______
_______
1. An owl eats a mouse.
2. A mouse eats grain.
3. A raccoon eats both berries
and mice.
4. Bacteria break down
decaying matter
5. A vulture eats dead animals
13. How are a food chain and a food web related?
14. A __________ pyramid shows how energy moves through a food chain. Only _____ of
the stored energy gets transferred from one trophic level to the next highest trophic
level. The most energy would be found in the _________ trophic level.
Name: ____________________________ Hr:_____
15. Plants are able to make their own food so they are called ____________ or
___________. The animals that feed on plants are called ___________ consumers and
those that feed on the herbivores are called ______________ consumers.
16. What would happen to the populations of a specific roducers in a certain area if the
primary consumer that feeds on that producer suddenly became extinct?
17. Density ____________ factors limit population growth when populations are very large.
a. Give one example:
18. Density ____________ factors limit population growth regardless of population size.
a. Give one example:
There has been a lot of vocabulary with this unit. Be sure that you not only understand the
terms, but you also know how to apply them to various situations. The list below should help
you determine which terms you know and which you need to study more.
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abiotic
autotrophs
biodiversity
biome
biosphere
biotic
birth rate
carnivore
carrying capacity
carrying capacity
climax community
commensalism
community
competitive exclusion
principle
death rate
decomposers
detritivores
detritus
ecological energy pyramid
ecology
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ecosystem
ecosystem
emigration
energy flow
exponential growth
food chains
food webs
habitat
herbivore
herbivory
heterotrophs
immigration
lichens
logistic growth
mutualism
niche
omnivore
parasitism
pioneer species
population
population growth
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predation
primary consumer
primary producers
primary succession
producer
scavengers
secondary consumer
secondary succession
species
succession
symbiosis
tertiary consumer
trophic levels