Environmental Science Chapter 8: Populations
The number of wild horses per square kilometer in a prairie is the horse populations
Density
True or False: Yucca moths and yucca plants have a symbiotic relatioship`
False
If a population of rabbits experiences growth, which might happen to the population of coyote (predator) in the area?
Increase
A true statement about parasitism is that parasites
May cause their host to become weak or vulnerable
The functional role of a species within an ecosystem
Niche
What is used to describe population?
Number of individuals
Aphids obtain the nutrients they need by sucking on the juices of host plants. This will later weaken the plants. What type of relationship is this?
Parasitism
A territory is
an area defended by one or more individuals
One of the three main properties of a population
density
a reduction in population size caused by a natural disaster
density independent regulation
What can occur if a population has plenty of food and space and has no competition or presators?
exponential growth
The ratio of births to deaths in a population
growth rate
the location where an organism lives
habitat
Bacteria in your intestines are an example of mutualism if they
help you break down food
The difference between a predator and a parasite is that a predator
kill their prey
close interaction between two species in which one organism is harmed
parasitism
maximum number of offspring that each member of a population can produce
reproductive potential
The "co-" in co-evolution means
together
The relationship between a Canadian lynx and a snowshoe hare is an example of
???
Each of the following is an example of a parasite.
A cow in a pasture
Different species can experience competition with one another because
A portion of their niche overlaps
What is an example of a parasite?
A worm in your intestine
An example of a population is
All maple trees in a forest
What organism has the highest reproductive potential?
Bacteria
In which relationship is neither species harmed?
Commensalism
What has the greatest effect on reproductive potential?
Reproducing more offspring at a time + Doing it at an earlier time in life
The density of a population is
The number of individuals per unit area
True or False: An organism's habitat is a location
True
What would most likely cause a large number of density-independent deaths in a population?
Tsuanmi
What is NOT a density-dependent cause of death in a population?
Weather
A species of plants has eponential growth after it is introduced into an area where it has never lived. What statement describes expontial growth?
Within a few years the population increases dramatically
maximum population that an ecosystem can support indefinitely
carry capacity
development of adaptations as a result of symbiotic relationships
coevolution
Interaction between two species in which both arehaamred
competition