Ecology Review
Name:
Date:
Organization of the Ecosystem:
Level
Definition
Example
Picture
Individual
Population
Community
Ecosystem
Biome
Biosphere
Compare and Contrast: A Marine Ecosystem to a Terrestrial Ecosystem. Remember to think about the
animals that live there, other biotic and abiotic factors.
Ecology Review
What is the Nitrogen
Cycle?
What is the purpose of the
Nitrogen Cycle?
What is the Carbon Cycle?
What is the purpose of the
Carbon Cycle?
What is the Water Cycle?
What is the purpose of the
Water Cycle?
Symbiotic Relationships
Types of Relationship
Definition
Three Examples of Each
Mutualism
Commensalism
Parasitism
Prey and Predator
Using the following symbols represent the three different types of Symbiotic Relationships. Then Explain
your answer. (+)-Positive; (-)-Negative; (0)-Neutral (Not bothered)
Relationship
Mutualism
Commensalism
Parasitism
Prey and Predator
Ecology Review
Vocabulary Review: Multiple Choice select the correct answer
1. A beach is considered to be a
______________ because it has all
the things a living organism needs.
a. Ecosystem
b. Habitat
c. Environment
d. Biome
4. The continuous movement of
carbon between living organisms
and the environment.
a. Nitrogen Cycle
b. Carbon Cycle
c. Water Cycle
d. Cellular Respiration
7. This is the process in which cells
use to get energy from food.
a. Cellular Respiration
b. Photosynthesis
c. Chemosynthesis
d. Carbon Cycle
10. Continuous movement of
water on Earth.
a. Nitrogen Cycle
b. Carbon Cycle
c. Chemosynthesis
d. Water Cycle
13. A relationship in which both
animals benefit. I hope you all
have this type of friendships.
a. Symbiosis
b. Mutualism
c. Parasitism
d. Commensalism
16. This is the function of an
organism within and ecosystem.
a. Producer
b. Consumer
c. Niche
d. Autotroph
2. Materials that nourish the body.
a. Niche
b. Vitamins
c. Nutrients
d. Prey
5. A puddle of water is
disappearing outside on a hot day.
What part of the water cycle is
this?
a. Transpiration
b. Precipitation
c. Condensation
d. Evaporation
8. When organisms of two or more
different species, often but not
necessarily benefiting each
member.
a. Mutualism
b. Commensalism
c. Parasitism
d. Symbiosis
11. An individual living thing made
up of one or more cells that grows
and reproduces.
a. Species
b. Organism
c. Predator
d. Prey
14. A buzzard is an example of an
__________, because it eats dead
organisms.
a. Predator
b. Scavenger
c. Prey
d. Competition
17. A group of deer in a given area.
a. Community
b. Population
c. Species
d. Ecosystem
3. The process at which gas
changes to a liquid.
a. Transpiration
b. Evaporation
c. Condensation
d. Precipitation
6. A relationship when one
organism benefits and the other is
harmed.
a. Symbiosis
b. Mutualism
c. Parasitism
d. Commensalism
9. The continuous process of
nitrogen is exchanged between
organisms and the environment.
a. Nitrogen Cycle
b. Carbon Cycle
c. Water Cycle
d. Chemosynthesis
12. An organism that can produce
its own food.
a. Consumer
b. Heterotroph
c. Autotroph
d. Predator
15. In this relationship one
organism is unharmed while the
other benefits.
a. Symbiosis
b. Mutualism
c. Parasitism
d. Commensalism
18. The study of the relationships
between living things in the
environment
a. Biology
b. Geology
c. Ecology
d. Oceanography
Ecology Review
19. A community of organism and
their nonliving environment.
a. Biome
b. Population
c. Community
d. Ecosystem
20. When more than one organism
requires the same thing for survival
it is called….
a. Predation
b. Symbiosis
c. Competition
d. Extinction
21. The process in which plants
give off water vapor.
a. Precipitation
b. Condensation
c. Evaporation
d. Transpiration
Short answer:
1. In the food web pyramid why does the consumers require less energy than the layer of producers?
2. If coyotes are removed from an ecosystem, what is going to happen to the population of deer in that
area?
3. What happens as a population grows or decreases and its relationship to competition?
4. What type of relationship is negative for one organism, but positive for the over? Give an example of
this relationship.
5. A farmer has illegally used a pesticide, and it has killed a large population of local rabbits, what else will
this affect in this ecosystem?
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Organization of the Ecosystem