Download Ecology Study Guide #3

Name: _________________________________Date: ______________Period: _____
Assignment #: _____
Unit 3 Test Review:
Ecology Study Guide (page 1)
Part 1: Match the following terms to the correct definitions
Ecology Terms
Term
1.
2.
3.
4.
5.
6.
7.
8.
Answer
E
Biosphere
Ecosystem
Abiotic
Biome
Climate
Community
Ecology
Biodiversity
F
A
G
B
C
D
H
Definition
a.
b.
c.
d.
e.
f.
Non living parts of an ecosystem
Precipitation (Rainfall) and temperature
Populations of different species that live together in the same area
The study of relationships between organisms in an ecosystem.
The entire portion of Earth that is inhabited by life
All of the organisms in a given area as well as the abiotic factors
with which they interact
g. An environment that is characterized by specific biotic and
abiotic factors—typically climate and a specific type of
plant/animal community
h. The variety of organisms that live within the biosphere.
Energy Flow in an Ecosystem
9. How does energy flow through an
ecosystem?
10.What does an energy pyramid tell
you
11.What are trophic levels?
12.What happens to energy as it is
transferred from one tropic level to
the next?
D
B
C
A
a) Lost to the environment as heat. 10%
moves on each trophic level
b) The amount of energy that each
consumer gains as it eats in a food
chain.
c) A step in the food chain or food web
d) One way from the sun, to autotrophs, to
consumers, to decomposers
Population Ecology
13.
14.
15.
16.
17.
18.
19.
Immigration
Emigration
Birth Rate
Death Rate
Logistic Growth
Exponential Growth
Population
F
A
F
B
D
C
G
a) Movement of individuals out of an area
b) When the ______________ increases a population decreases
c) Continuous rapid population growth with no carrying
capacity in site. Not common in nature, typical with bacterial
colonies, and currently the human population.
d) Common in nature, population increases and then levels off
at a specific carrying capacity.
e) When the ______________ increases a population increases
f) Movement of individuals into an area
g) A group of individuals of the same species living in the same
area
Part 2: List an example for each of the following
Term
Synonym
Subcategory
Consumers
Heterotroph
Producers
Autotroph
Chemotroph
Decomposer
Detritovore
Carnivore
Omnivore
Herbivore
Examples
Lion, Tiger, Shark, eagle
Bear, human
Rabbit, deer, moose,
Any plant: flower, corn, apple tree
Bacteria from hydrothermal vents or
Yellowstone hot springs.
Bacteria, worms, maggots
Part 3: Use the food web to answer the following questions.
1. What are the producers in this food web? Phytoplankton
2. According to this food web what is the only omnivore? Krill
a. What plant does this omnivore eat? Phtoplankton
b. What consumer does this omnivore eat? Herbivorous Zooplankton
3. Which organisms are the penguin’s predators? Leopard seal, smaller toothed
whales.
4. What is the Baleen whale’s Predator? Smaller toothed Whales
a. What is it’s prey? Krill
5. By looking at the food web, which organism would you say is the top carnivore?
Smaller toothed whale
a. What type of organisms does it eat? Baleen whale, leopard seal, elephant
seal, other seals, squid, penguins
6. List at least one food chain within this food web. Phytoplankton, Krill, fish,
penguin, smaller toothed whale