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Ecological biology

1. Which of the following is the largest?
a. ecological footprint of a single individual in U.S.
b. ecological footprint of 2 individuals in Mexico
c. ecological footprint of 4 individuals in Nigeria
d. ecological footprint of 6 individuals in Thailand
e. ecological footprint of 8 individuals in India

2. You are given a set of magnets and a variety of metal objects (nail, paperclip, iron filings,
copper ring). You test the magnet with all objects and make observations. At the
conclusion of your specific observations, you determine the general properties of
magnetism. What is your thinking process?
a. deductive reasoning
b. inductive reasoning
c. data intensive reasoning
d. assessment logic
e. hypothesis formation

3. In a positive feedback mechanism
a. a change in some condition triggers a response that counteracts the changing
condition
b. a change in some condition triggers a response that neutralizes the changing
condition
c. a change in some condition triggers a response that intensifies the changing
condition
d. all of the above
e. none of the above

4. Which of the following statements reflects the Western worldview?
a. all organisms are interdependent
b. nature should be preserved, not used
c. humans and all other species have an equal worth
d. humans have the right to modify the environment to benefit their wellbeing and
high standard of living
e. humans have no right to reduce diversity of life forms except to satisfy vital needs

5. The chemical energy stored in a plant is an example of:
a. kinetic energy
b. nuclear energy
c. solar energy
d. light energy
e. potential energy

6. Which of the following characterizes a symbiotic relationship?
a. a close interrelationship where both species benefit
b. a close interrelationship where one species benefits, but the other might not be
affected
c. a close interrelationship where one species benefits, but the other might be
adversely affected
d. a close relationship where both species depend on one another
e. all of the above

7. A species is defined as:
a. organisms that live together
b. organisms that live in the same area at the same geologic era
c. all of the organisms that live together in an area, plus the physical environment
that they live in
d. a group of similar organisms whose members freely interbreed with one another
e. all organisms at a given trophic level within a particular community

8. Which of the following is an excellent example of coevolution?
a. plants and carnivores
b. squirrels and insect-eating birds
c. flowering plants and their pollinators
d. sea urchins and orcas
e. none of the above

9. Which of the following best illustrates the process of evolution?
a. a lizard's color becomes brown as it sits on a log during the day
b. a population of mosquitoes develops resistance to a pesticide
c. a bear goes into hibernation
d. a plant loses its leaves in a drought
e. a population of foxes increases as more prey becomes available

10. The primary reason we have seasons is because of the:
a. Earth's tilt on its axis
b. Earth's rotation
c. Earth's revolution in its orbit
d. density of the Earth's atmosphere
e. layers of the Earth's atmosphere

Solution Preview

Let me know if you need any further explanations, and thank you for using BrainMass.

1. Which of the following is the largest?
a. ecological footprint of a single individual in U.S.
See http://event.arc.nasa.gov/urban_development/home/pdf/NASASustainableUrbanManagement.pdf
The US ranks second in the world in terms of ecological footprint per person.

2. You are given a set of magnets and a variety of metal objects (nail, paperclip, iron filings,
copper ring). You test the magnet with all objects and make observations. At ...

Solution Summary

Multiple choice on ecological footprints; co-evolution; symbiosis

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