A
Matching
Organism’s way of life
Niche
Multiple Choice
An example of a population would be all ...
a. trees in a forest.
b. red maple trees in a forest.
c. plants in a forest.
d. animals in a forest.
B. Red maple trees in a forest
Multiple Choice
The density of a population is...
a. the number of individuals born every year.
b. the proportion of males and females.
c. the number of individuals living in cities.
d. the number of individuals per unit area.
D. the number of individuals per unit area.
Mystery Box
Keep it or give it away
Win 100
Matching
Birth rate minus death rate
Growth Rate
Mystery Box
Keep it or give it away
Lose 200
Matching
Arrangement of a population within a given space
Dispersion
Multiple Choice
Which of the following organisms has the highest reproductive potential?
a. dogs
b. elephants
c. bacteria
d. humans
C. Bacteria
Matching
Interaction in which one organ-ism feeds upon another organism
Predation
Multiple Choice
Each of the following is an example of a parasite except...
a. a roundworm in a human’s intestine.
b. a cow in a pasture.
c. a tick on a cat.
d. mistletoe on a tree.
B. A cow in a pasture
Multiple Choice
The relationship between a Canadian lynx and a snow-shoe hare is an example of...
a. parasite and host.
b. predator and prey.
c. competition.
d. mutualism.
b. Predator and prey.
Multiple Choice
In which of the following types of interactions is neither species harmed?
a. predation
b. competition
c. parasitism
d. commensalism
d. Commensalism
Matching
A group of individuals of the same species living in a particular place
Population
Multiple Choice
Which of the following populations has a random dispersion?
a. flock of flamingos
b. pine trees in a pine forest
c. herd of bison
d. solitary snakes in a desert
d. solitary snakes in a desert
Matching
Organisms attempt to use same resources
Competition
Mystery Box
Keep it or give it away
Lose 400
Matching
Interaction in which one organ-ism benefits and the other organ-ism is unaffected
Commensalism
Multiple Choice
Which of the following would be the most likely cause of a large number of density-independent deaths in a population?
a. winter storms
b. disease-carrying insects
c. predators
d. limited resources
a. winter storms
Matching
A way to reduce competition between species
Niche Restriction
Multiple Choice
Thick fur in deer is not an example of coevolution, because...
a. thick fur is an adaptation.
b. deer with thick fur live longer.
c. thick fur evolved in response to a cold climate, not in response to other organisms.
d. in the lowlands, where the climate was sunny and warm, deer that did not have thick fur became separated from other deer that did have thick fur.
c. thick fur evolved in response to a cold climate, not in response to other organisms.
Matching
Maximum population an ecosystem can support indefinitely
Carrying Capacity
Short Answer
If a population of rabbits experiences exponential growth, what might happen to the population of coyotes in the area?
Also experience exponential growth
Multiple Choice
A species of plant has exponential growth after it is introduced into an area where it has never been. Which statement best describes exponential growth?
a. Each individual plant grows much larger than usual.
b. The population immediately decreases.
c. Within a few years the population increases dramatically.
d. The species’ reproductive potential declines.
c. Within a few years the population increases dramatically.
Short Answer
Predict what might happen to the population of rabbits and coyotes if the rabbits exceed the carrying capacity of the environment.
Answers may vary.
More coyotes/rabbits right away, but then they all die off.
Matching
Factor that determines the carrying capacity of an ecosystem
Limiting Resources