Download Ecology Unit Test Study Guide

Name:
Date:
No.
Ecology Unit Test Review Guide (Turn in COMPLETED on test day, BEFORE the test for bonus
points on the test!)
1. List the levels of organization within the environment from largest to smallest (most
specific).
2. What level of organization would describe a flock of pigeons in a park?
3. Complete a Venn Diagram comparing and contrasting biotic and abiotic factors.
4.
Label each of the following A (abiotic) or B (biotic).
Deer
Carbon
5.
rocks
phosphorus
water
plants
fungi
bacteria
Complete the table below that describes the 2 processes responsible for cycling energy
through the ecosystem.
Process
Reactants
Products
Organelle
responsible
Photosynthesis
Cellular Respiration
6.
7.
Differentiate between a food chain and a food web.
Describe the niche (job/role) of each of the following:
8.
a. Producer
b. Consumer
c. Herbivore
d. Carnivore
e. Omnivore
f. Detritivore (decomposer)
What is an energy pyramid?
9.
Label the trophic levels in the energy pyramid below.
10.
What happens to the amount of energy as you move up the pyramid? What percentage
actually passes from one trophic level to the next?
11.
Use the marine food web on page 410 in the textbook. Choose ONE food chain from this
food web. Copy the food chain and label the organisms as producers, consumers, and/or
decomposers.
12.
Provide a generalized flow chart for each of the following abiotic cycles (You have
something like this in your NOTES!)
a. Water cycle
b. Carbon cycle
c. Phosphorus cycle
d. Nitrogen cycle
13. How does habitat differ from niche?
14.
Label each of the following as N (niche) or H (habitat).
15.
Predator
savanna
Herbivore
decomposer
Complete the following table about symbiosis
Relationship
lake
tundra
Describe what happens to
each member
Mutualism
Parasitism
Commensalism
16.
17.
How does each of the following affect population size?
a. Immigration
b. Birth
c. Emigration
d. Death
Sketch graphs for each of the following types of population growth:
a. Exponential growth (Be sure to label each axis)
b. Logistic growth (Be sure to label each axis)
ocean
forest
Example
18.
Complete the table below:
Limiting Factors
Density-Dependent Factors
Definition
Examples
Density-Independent Factors
19.
Differentiate between primary and secondary succession.
20.
List the six terrestrial biomes.
21.
List the 3 aquatic ecosystems. What are the 4 oceanic zones?
22.
Compare and contrast renewable and nonrenewable resources. List 3 examples of
each.
23.
24.
25.
What is person’s ecological footprint? What are some things they can do to reduce
their footprint?
How does air pollution contribute to global warming?
Explain how predation and competition are important ways in which organisms can
interact.
Ecology Vocabulary Review
Across
8. a symbiotic relationship in which both organisms benefit
9. resources that can replenish themselves over time
12. area where an organism lives
13. movement of individuals into a population
15. examples include tundra, taiga, grasslands, desert, etc.
16. organisms that eat only plants
18. model that shows the complex network of feeding relationships and flow of energy
within an ecosystem
19. partially enclosed body of water formed where a river flows into an ocean
21. factors that are nonliving things
Down
1. a symbiotic relationship in which one organism benefits, but the host organism is
harmed
2. group of the same species that lives in one area
3. group of different species that live together in one area
4. any undesirable factor added to air, water, or soil
5. sequence of biotic changes that regenerate a damaged community
6. organisms that eat only animals
7. organisms that eat plants and animals
10. movement of individuals out of a population
11. resources that are used faster than they form
14. a symbiotic relationship in which one organism benefits and the other is not
affected
17. factors that are living things
20. an organism's role in the environment