BIO Exam 3
Secondary succession can occur
after a fire
Structure of communities may be affected by
all of these
What is the function of adipose tissue?
all of these
What are the primary producers associated with hydrothermal vents?
archaea
Some ___ have enzymes to break the bonds of atmospheric nitrogen and use it for the metabolism of proteins and other nitrogen containing molecules.
bacteria
Stem cells in bone marrow will develop into
blood cells
Which of the following is a major determinant in which plant species becomes a pioneer species in a primary succession event?
chance events
Once the stored ATP is consumed, what substance will muscles turn to for energy?
creatine phosphate
Nematocysts are
defensive cells.
Red blood cells
do not have a nucleus when they enter circulation.
In contrast to predation, a parasite usually
does not kill the animal on which, or in which, it lives.
Which of the following is the most inclusive?
ecosystem
Concerning species survival, which status is of greatest concern?
endangered
What type of gland releases its product onto an internal or external surface?
exocrine
Which human bone is the largest?
femur
Sponges are
filter feeders
Birds and mammals share which of the following characteristics?
four-chambered heart
Which of the following is a North American biome that has mostly disappeared because of extensive farming of wheat and corn?
grasslands
An aquifer is most closely related to
groundwater.
Which of the following is the greatest threat to most species survival?
habitat loss
In a natural community, the primary consumers are
herivores
The SA node
is located in the right atrium.
In a four-chambered, in which chamber is the strongest contraction?
left ventricle
What are the projections on epithelial tissue that increase the surface area?
microvilli
A relationship between two species in which both species benefit is known as
mutualism
The bacterium, E.coli, lives in the large intestines of mammals and feeds on undigested food material. E.coli helps to synthesize vitamin K that is essential for mammalian blood clotting. The relationship between E.coli and mammals is a
mutualism.
The main components of the thick filaments of a sarcomere are ___ and the main components of the thin filaments of a sarcomere are ___.
myosin---actin
When pH levels in the blood get too low, chemical buffers are released that return blood pH back to normal levels. This is an example of ___.
negative feedback
Most of the water vapor in the earth's atmosphere comes from evaporation from
oceans
A tissue is defined as
one or more cell types that perform a common task.
The crash of the Atlantic codfish is the result of
overharvesting.
This animal has the fewest genes, the simplest body plan, and only four cell types. It is a
planarian.
The number of individuals of the same species in some specified area or volume of habitat is the
population density.
A group of organisms of the same species that live in a specific location is called a(n)
population.
Which of the following species is NOT threatened or endangered?
red imported fire ants
Amphibians are completely dependent on an aquatic environment for
reproduction.
Two species of closely related squirrels both feed on acorns produced by oak trees. One species feed exclusively near the top of the tree and the other feeds exclusively towards the bottom of the tree. This is an example of
resource partitioning.
Which of the following is a type of epithelial tissue that is one layer thick?
simple
Which tissue type attaches to bones and is responsible for producing body movements?
skeletal muscle
In human lungs, where does gas exchange occur?
the alveoli
The vertebral column develops from
the notochord.
Embryonic stem cells are pluripotent. What does this mean?
they can give rise to any of the body cell types
Which biome has a layered structure that will contain many vines and epiphytes?
tropical rainforest
What will the ozone layer absorb?
ultraviolet radiation
The most complete fossil skeleton of an australopith is that of
Australopithecus afarensis.
Which of the following is the earliest known reptile with bird-like feathers?
Sinosauropteryx prima.
Which of the following is NOT characteristic of parasites?
They inflict serious injury and kill their hosts.
Pulmonary veins carry
a combination of two of these.
The niche of an earthworm in an ecosystem is
a detritivore.
The first plant to colonize the plains of Mt St Helens after this volcano erupted in 1980 was a prairie lupine. The prairie lupine is an example of
a pioneer species.