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which portion of the respiratory tract is commonly referred to as the
throat? - correct answer-pharynx
what happens to the blood if a person hyperventilates? - correct
answer-the pH will increase
which of the following respiratory structures will have the lest amount
of cartilage and the thinnest walls? - correct answer-bronchioles
which of the following statements does not correctly describe air
movement along the respiratory tract? - correct answer-the bronchi
serve as passageways into the trachea
,a digger wasp continues to close its nest even though the researcher
has removed the nest's contents. this shows that nest-closing behavior
in the digger wasp is - correct answer-a fixed action pattern
primate grooming and honeybee waggle dancing share which of these
forms of communication? - correct answer-tactile communication
You are passing through one of the science buildings on a university
campus when you see a researcher come out of his laboratory and go
into another room. You hear and then see a newly hatched duckling
come out of the lab and run to follow the researcher into the other
room. The duck's behavior can best be described as - correct answer-
imprinting
which body system plays an important role in influencing behavior? -
correct answer-endocrine
Salmon fish hatcheries add a harmless perfume (morpholine) to a
stream when they release young fish. When the fish mature, they
attract them back to the home stream by using this chemical (in nature
,the fish smell the unique odors of soil and trees along the home
stream). In effect, the hatchery biologist is using - correct answer-
imprinting
while walking along a trail in the woods you notice that your dog walks
over to a tree and urinated on the base of the largest tree on the trail.
your dog's behavior is an example of - correct answer-chemical
cmomunication
the relatively thin layer on the earth's surface where life is possible is
known as the - correct answer-biosphere
all of the organisms living in your front yard represent a(n) ______,
while the blue jays represent _____. - correct answer-community,
population
ecology is best defined as the study of - correct answer-organisms as
they interact with other organisms and with their physical surroundings
, there are two organisms with overlapping ranges and filling a similar
niche. we find that where their niches overlap there is twice the
competition for resources. this leads to - correct answer-competitive
exclusion
which of the following is not a form of environmental resistance? -
correct answer-number of offspring produced per litter
replacement reproduction occurs when - correct answer-each couple
has an average of two children, but population growth may still occur
compared to the numbers of grasshoppers or deer, there are few
mountain lions. the reason that large and fierce animals are rare in an
ecosystem is that - correct answer-food chains are only 10-20% efficient
at each step adn top carnivores require large amounts of calories for
their survival
in a grazing food chain, - correct answer-primary consumers eat
photosynthetic organisms