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How are brown fat cells involved in thermogenesis?

A. They shiver and produce heat.

B. They have few mitochondria and produce heat.

C. They have many mitochondria and produce antifreeze molecules.

D. They have many mitochondria and produce heat.

E. None of the above.

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A. Interactions between and within a species
B. Study of adaptations enabling individuals to live within their habitat?
C. Study of how the Number of individuals in an area changes
D. Study of how nutrients and energy are stored and how they move amongst organisms

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Homeostasis...

a) allows for a wildly fluctuating internal environment
b) is impossible in vertebrates
c) is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
d) keep body temperature the same as the external temperature

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a) blood vessels
b) muscle contractions
c) sweat glands
d) liver
e) a & b
f) a & c
g) a& d

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What kind of technique is used to measure population size and density?

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What is the vector of a Lyme Disease System ?
A: Mice
B: Deer
C: Rodents
D: Ticks

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What would causes a decrease in carrying capacity in a population?

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As a population grows, it will most likely stop growing at what size?

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As a population grows, it will most likely stop growing at what size?

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a. Growth limit
b. Exponential limit
c. Carrying capacity
d. It wont stop growing

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Which of the following best describes a positive feedback loop?
A. A change an organism makes in response to a change in stimulus/set point.
B. A change an organism makes with no clear scientific reason.
C. A change an organism makes in anticipation of a set point event.
D. None of the above

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Which is an example of commensalism?

- termites and protozoa
- ticks and opossums
- birds and trees
- ticks and deer

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A: Deer
B: Bulberry Bush
C: Coyote
D: Mouse

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Which of the following is not a type of population distribution?

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Which of the following is not a type of population distribution?

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A: uniform
B: clumped
C: unison
D: Clumped

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Which of the following do not belong?

a) Condensation
b) convection
c) evaporation
d) conduction
e) radiation

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What is an example of a density-dependent factor?
a. fires
b. flooding
c. disease
d. pollution

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Why are nymphal ticks largely responsible for transfer of Lyme Disease to humans?
1) they are the only stage that has the bacterium.
2) they are inactive when humans are active
3) they are large and active when humans are.
4) they are small and active when humans are

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Carrying Capacity is represented by which letter? 

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Carrying Capacity is represented by which letter? 

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a. r
b. K
c. c
d. J

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A: The time of an organisms lifespan
B: An organisms survival rate
C: The range of conditions within which an organism is potentially able to survive.
D: The amount of food an animal can eat

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Which kind of growth does the human population follow? (J-curve)

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Which kind of growth does the human population follow? (J-curve)

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a. Exponential growth
b. Logistic growth
c. Minimal growth
d. outstanding growth

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Which organism has a type 1 survivorship curve

A) ticks
B) rabbits
C) humans
D) Trees

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Which dispersion pattern usually is a result of resources not being evenly spread out in the environment?

a. uniform
b. random
c. clumped
d. none of these

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Which of the following is a result of climate change?
A. melting of polar ice
B. Increased frequency and intensity of forest fires
C increased frequency and intensity of flooding
D All of the following

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How do we have evidence of past temperatures?

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How do we have evidence of past temperatures?

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A: Drilling for Ice Cores
B: Recorded Temperatures
C: Technological Advancements
D: All of the Above

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What is not a factor of an R-Selected Species

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What is not a factor of an R-Selected Species

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A: Maturing early
B: Produce more offspring
C: Type 1 or 2 survivalship
D: No parental care to offspring