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WorksheetsCh. 8 and 9 Test
Total questions: 25
Worksheet time: 6hrs 15mins
A relationship in which different individuals or populations attempt to use the same limited resources
Competition
Parasitism
Mutualism
Commensalism
The functional role of a species within an ecosystem
Habitat
Niche
The location where an organism lives
habitat
niche
Which of the following is an example of a parasite?
worm in your intestine
a lion hunting zebras
be stinging your arm
honeybee on flower
Bacteria in your intestines are an example of mutualism only if they
make you sick
have no effect on you
are destroyed by your digestive juices/enzymes
help you break down food
What property of a population may be scribed as even, clumped or random?
dispersion
density
size
growth-rate
The “co” in coevolution means
apart
together
two
predator-prey
A robin that does not affect the tree in which it nests is an example of
parasitism
commensalism
mutualism
predation
Calculate the change in population size if there were 540 deaths and 2583 births in Norfolk, Virginia on April 30, 2021.
-3123
-2043
3123
2043
What type of graph is presented below?
Sigmoidal graph
Carrying capacity graph
exponential growth graph
The below image is what type of interaction amongst species?
mutualism
parasitism
predation
commensalism
Populations of predators depend on populations of prey, so changes in one of these populations may be linked to changes in the other. This graph shows population estimates over time for Canadian lynx and their favorite food, snowshoe hares. Approximate the year in which the snowshoe hare population was the highest?
1865
1863
1885
1886
Populations of predators depend on populations of prey, so changes in one of these populations may be linked to changes in the other. This graph shows population estimates over time for Canadian lynx and their favorite food, snowshoe hares. Approximate the year in which the Lynx population was the highest?
1903
1886
1903
1895
According to the image, the orchid benefits from growing on the tree because the orchid is exposed to more rain and sunlight than if it grew on the ground. The tree is not harmed or helped by the orchid. Which of the following exemplifies this type of interaction amongst species?
commensalism
parasitism
mutualism
competition
The movement of people into cities from rural areas
Migration
Urbanization
The basic facilities and services that support a community such as a power plant and a hospital is called what?
buildings
developing countries
infrastructure
none of the above
An increase in water-borne diseases could possibly be alleviated by
Adequate sewage treatment facilities for growing populations **
very rapid growth of large cities
sufficient fuelwood
both (a) and (b)
Demographers predict population sizes by using
Survivorship, migration, life expectancy, and replacement structure
Life expectancy, age structure, fertility rate and migration
Replacement, rate fertility rate, age rates and survivorship
Age structure, survivorship, fertility rate and migration
According to the graph below, approximate the highest TOTAL FERTILITY RATE.
1960
1958
3.7
1959
According to the graph below, which factor is a main contributor to the population growth in the United States?
increase due to migration
increase due to births
According to the graph below, which region has the highest total fertility?
more developed regions
the world
less developed regions
least developed regions
According to the boxes below, which of the following exhibits a “random dispersion” model?
Green
Red
Pink
According to the boxes below, which of the following exhibits a “uniformed dispersion” model?
green
red
pink
According to the boxes below, which of the following exhibits a “clumped dispersion” model?
green
red
pink
Was this test extremely hard? You have to choose “NO” if you want points for this question. Seriously, you will lose points if you choose “Yes”. Stop playing. Choose “NO” or else…
Yes
No
