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bio final 2
Terms in this set (56)
Which of the following regulates body temperature?
Which processes in animals are regulated by circadian rhythms?
If a stimulus is to be perceived by the nervous system, which part of the sensory pathway must occur first?
Which of the following receptors is incorrectly paired with the type of energy it transduces?
pain receptors - electricity
Which of the following levels of organization is arranged in the correct sequence from most to least inclusive?
ecosystem, community, population, individual
Ecology as a discipline directly deals with all of the following levels of biological organization except
Of the following examples of ecological effect leading to an evolutionary effect (→), which is most correct?
A few individuals with denser fur survive the coldest days of an ice age → the reproducing survivors all have long fur.
Turnover of water in temperate lakes during the spring and fall is made possible by which of the following?
the density of water changes as seasonal temperatures change.
In temperate lakes, the surface water is replenished with nutrients during turnovers that occur in the
autumn and spring.
Which of the following causes Earth's seasons?
the tilt of Earth's axis
Which of the following organisms is the most likely candidate for geographic isolation?
Two plant species live in the same biome but on different continents. Although the two species are not at all closely related, they may appear quite similar as a result of
A population is correctly defined as having which of the following characteristics?
inhabiting the same general area
individuals belonging to the same species
possessing a constant and uniform density and dispersion
I and II only
An ecologist recorded 12 white-tailed deer, Odocoileus virginianus, per square mile in one woodlot and 20 per square mile on another woodlot. What was the ecologist comparing?
To measure the population density of monarch butterflies occupying a particular park, 100 butterflies are captured, marked with a small dot on a wing, and then released. The next day, another 100 butterflies are captured, including the recapture of 20 marked butterflies. One would estimate the population to be
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Observation 1: Some caterpillar species are brightly colored and appear to be highly visible to predators such as insectivorous birds. Predators appear to avoid these caterpillars. These caterpillars are often found in groups, rather than as solitary animals. Observation 2: Some caterpillar species have excellent camouflage. When alerted to danger they are difficult to see because they blend into the background. These caterpillars are usually found alone. Assumptions: Some assumptions about the examples above include: Insect eating birds have color vision. Caterpillars that look bright to us, also appear bright to insectivorous birds. Birds can learn about the taste of prey by eating them. Read the two observations about the caterpillars above and then answer the following questions: Generate a prediction about the behavior of insect eating birds towards caterpillars:
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