Chapter 8 Flashcards
(13 cards)
interaction between two species in
which both are harmed
Competition
the functional role of a species within an
ecosystem
Niche
one of the three main properties of a
population
Density
development of adaptations as a result of symbiotic relationships
Coevolution
maximum population that an ecosystem
can support indefinitely
Carrying capacity
close interaction between two species in
which one organism benefits while the other organism is harmed
Parasitism
the ratio of births to deaths in a
population
Growth rate
maximum number of offspring that each
member of a population can produce
Reproductive potential
a reduction in population size caused by
a natural disaster
Density independent regulation
Which of the following is an example of a parasite?
a. worm in your intestine b. a lion hunting zebras
c. bee stinger in your arm d. honeybee on a flower
A. Worm in your intestines.
Bacteria in your intestines are an example of mutualism if they
a. make you sick. b. have no effect on you. c. are destroyed by digestive juices. d. help you break down food.
D. Help break down your food
What property of a population may be described as even, clumped, or random
a. Dispersion b. Density
c. size d. growth rate
A. Dispersion
What can occur if a population has plenty of food, space, and has no competition or predators?
A. Reduction of carrying capacity b. Exponential growth c. Zero population growth d. Coevolution
B. Exponential growth
