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TESTS BANK for Biology, 14th Edition By Sylvia Mader and Michael Windelspecht.
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TESTS BANK for Biology, 14th Edition By Sylvia Mader and Michael Windelspecht.
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Voorbeeld van de inhoud
,CHAPTER 11) All of the following are examples of maintaining homeostasis except:
A) By opening and closing pores in their leaves, plants continuously exchange oxygen
and carbon dioxide with the atmosphere.
B) A sensor detects CO 2 levels in the blood and triggers an increase or decrease in the
rate of breathing.
C) Feelings of hunger and then fullness affect the length of time between meals and
quantity of food you eat, keeping your weight near a "set point."
D) A drop in body temperature triggers shivering which generates heat; an increase in
body temperature triggers sweating which releases heat.
E) A cancerous tumor continues to grow larger and then metastasizes, spreading to new
areas of the body.
2) Biodiversity in a particular ecosystem
A) includes the variability of the individual genes.
B) All of the choices are correct.
C) is the total number of species in that ecosystem.
D) impacts the function of the ecosystem in which the species live.
3) Organisms belonging to the same _____ would be the most closely related.
A) phylum
B) family
C) kingdom
D) class
E) order
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,4) Tropical rain forests have many species that are found in great abundance. A study in the
Brazilian rain forest found 487 tree species growing on a single hectare (2.5 acres). In the U.S.
and Canada together, there are only 700 species of trees on millions of acres. In one park in a
Peruvian rain forest, scientists have identified over 1,300 species of butterflies, while in all of
Europe there are approximately 320 butterfly species. These findings suggest that
A) rain forests are biologically more diverse than other ecosystems.
B) the number of tree species and butterfly species are about the same throughout the
ecosystems of the world.
C) as many as 400 species a day are lost due to human activity.
D) rain forests are biologically less diverse than other ecosystems on Earth.
E) rain forests do not have any type of value to humans.
5) Some members of Daphnia, a water flea, have a genetic mutation that causes them to
prefer warmer environments. These members reproduce and pass these genetic changes to their
offspring. The next generation will occupy warmer environments not previously occupied by this
species. This is an example of
A) All of the choices are correct.
B) irritability.
C) homeostasis.
D) adaptation.
6) Which of the following terms best describes a conceptual scheme in science that is
strongly supported, has not yet been found incorrect, and is based on the results of many
observations?
A) experimental results
B) a scientific model
C) a scientific theory or principle
D) descriptive research
E) an experiment
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, 7) The expected outcome of an experiment is known as
A) a prediction.
B) experimental results.
C) an experiment.
D) a scientific theory or principle.
E) a scientific model.
8) Single-celled prokaryotes
A) lack a membrane-bounded nucleus.
B) are classified in the domains Bacteria and Archaea.
C) are found in almost all habitats.
D) All of the choices are correct.
9) What type of information does science provide for society?
A) information about the natural world
B) information about religious beliefs
C) information about the supernatural world
D) information about religious beliefs and the natural world
10) A doctor is testing the effectiveness of a new antibiotic. He gives the first group of
patients a placebo, a second group receives antibiotic A, while the third group receives antibiotic
B. Which of the groups is considered the control group?
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