Biol 100 Final Ch 18-20 UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Ecology is the study of what? - CORRECT ANSWER - - Is the study of the interactions
between organisms and the living things and nonliving
Which of the following is abiotic? - CORRECT ANSWER - A Rock
What level of ecology is concerned with groups of individuals of the same species? - CORRECT
ANSWER - Population Ecology
What level of ecology is concerned with groups of individuals of different species? - CORRECT
ANSWER - Community Ecology
What level of ecology is concerned with both the biotic and abiotic aspects of an environment -
CORRECT ANSWER - Ecosystem Ecology
If one were to propose an overarching level of ecology concerned with Planet Earth in its
entirety, what could one call it? - CORRECT ANSWER - Biosphere?
What is the primary source of energy for nearly all of the Earth's ecosystems? - CORRECT
ANSWER - Sun
In the absence of solar energy, what is an example of how some organisms manage their energy
requirements? - CORRECT ANSWER - Food/ water
Wind may affect which of the following? - CORRECT ANSWER - Food stores, hunting,
defensive strategies
, Which of these is ordinarily NOT considered a catastrophic disturbance? - CORRECT
ANSWER - Snowfall
Which of these might best be considered a periodic disturbance? - CORRECT ANSWER -
Disturbance - temporary change in environmental conditions that causes change
Even though water is essential to life on Earth, it provides organisms with a set of challenges.
Which of the following organisms might have a problem with water? - CORRECT
ANSWER - ???
The number of individuals of a population per unit area is the... - CORRECT ANSWER -
Population Density
What name is given to the dispersion model, in which no pattern is evident? - CORRECT
ANSWER - Random
To calculate the population density of your town, you would need to know the number of people
living there and - CORRECT ANSWER - The size of area in which they live
As a result of a catastrophic disturbance, a natural community will... - CORRECT
ANSWER - Undergo Succession
The density of Douglas firs in an old-growth forest is estimated by counting the Douglas firs in
four sample plots of one hectare each. The number of fir trees in the plots is 00, 00, 00, and 00,
respectively. What is the estimated density of firs in the forest? - CORRECT ANSWER -
Add all #s , divide by 4
A certain species of fungus is only found living only on cow patties. What type of dispersion
pattern is this? - CORRECT ANSWER - Uniform
In busy public lavatories, when at all possible, males tend to occupy every other urinal. What
type of dispersion pattern does this illustrate? - CORRECT ANSWER - Uniform
ACTUAL Exam Questions and CORRECT
Answers
Ecology is the study of what? - CORRECT ANSWER - - Is the study of the interactions
between organisms and the living things and nonliving
Which of the following is abiotic? - CORRECT ANSWER - A Rock
What level of ecology is concerned with groups of individuals of the same species? - CORRECT
ANSWER - Population Ecology
What level of ecology is concerned with groups of individuals of different species? - CORRECT
ANSWER - Community Ecology
What level of ecology is concerned with both the biotic and abiotic aspects of an environment -
CORRECT ANSWER - Ecosystem Ecology
If one were to propose an overarching level of ecology concerned with Planet Earth in its
entirety, what could one call it? - CORRECT ANSWER - Biosphere?
What is the primary source of energy for nearly all of the Earth's ecosystems? - CORRECT
ANSWER - Sun
In the absence of solar energy, what is an example of how some organisms manage their energy
requirements? - CORRECT ANSWER - Food/ water
Wind may affect which of the following? - CORRECT ANSWER - Food stores, hunting,
defensive strategies
, Which of these is ordinarily NOT considered a catastrophic disturbance? - CORRECT
ANSWER - Snowfall
Which of these might best be considered a periodic disturbance? - CORRECT ANSWER -
Disturbance - temporary change in environmental conditions that causes change
Even though water is essential to life on Earth, it provides organisms with a set of challenges.
Which of the following organisms might have a problem with water? - CORRECT
ANSWER - ???
The number of individuals of a population per unit area is the... - CORRECT ANSWER -
Population Density
What name is given to the dispersion model, in which no pattern is evident? - CORRECT
ANSWER - Random
To calculate the population density of your town, you would need to know the number of people
living there and - CORRECT ANSWER - The size of area in which they live
As a result of a catastrophic disturbance, a natural community will... - CORRECT
ANSWER - Undergo Succession
The density of Douglas firs in an old-growth forest is estimated by counting the Douglas firs in
four sample plots of one hectare each. The number of fir trees in the plots is 00, 00, 00, and 00,
respectively. What is the estimated density of firs in the forest? - CORRECT ANSWER -
Add all #s , divide by 4
A certain species of fungus is only found living only on cow patties. What type of dispersion
pattern is this? - CORRECT ANSWER - Uniform
In busy public lavatories, when at all possible, males tend to occupy every other urinal. What
type of dispersion pattern does this illustrate? - CORRECT ANSWER - Uniform
