Exam (elaborations)
Biology 1309 Final Questions With Complete Solutions
- Course
- Biology 1309
- Institution
- Lone Star College
Biology 1309 Final Questions With Complete Solutions
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Biology 1309 Final Questions With Complete Solutions"Double fertilization" in angisperm plants refers to the Correct
Answer fusion of one sperm cell with the egg, and another with
two nuclei of the endosperm-forming cell
"Food chains are an accurate representaion of energy flow
through an ecosystem" This statement is Correct Answer False,
real ecosystems are much more complex than simplified food
chains
"Survival of the fittest" may be a misleading phrase to describe
the process of evolution by natural selection because Correct
Answer survival matters less to natural selection than
reproductive success does
A bacterium is gram positive only if it Correct Answer has a
layer of peptidoglycan on the outside of the cell wall
A germinating corn kernel produces a seedling with one
cotyledon, whereas a germinating tomato seed produces a
seedling with two cotyledons. From this info, what is a corn
plant and what is a tomato plant? Correct Answer A corn plant
is a monocot; a tomato is a dicot
A plant takes up water through its____ and expels water through
its____ Correct Answer roots; leaves
A population pyramid Correct Answer reflects the number of
individuals in various are groups in a populations
,A population with a higher death rate than birth may still have
positive growth. This statement is Correct Answer correct, if
immigration rates plus birth rates are greater than death and
emigration rate, population growth will still be positive even if
birth rate is lower than death rate alone
A population's survivorship curve is a downward sloping
straight line when: Correct Answer the mortality rate is
constant regardless of age
A species found only within a certain region is said to be ___ to
that region Correct Answer endemic
All arthropods have: Correct Answer a chitinous exoskeleton
and jointed appendages
All cnidarians have tentacles that are armed with rows of
stinging Correct Answer cnidocysts
All fungi are multicellular, but some also have a unicellular
form known as Correct Answer yeast
All of the living organisms that we can see with the naked eye
are Correct Answer in the kingdom Eukarya
An ecosystem: Correct Answer consists of all of the living and
non living things functioning together in an area
An in verted population pyramid represents _____, whereas a
column like population pyramid represents___ Correct Answer
declining growth, stationary growth
, Analogous features are problematic when constructing
evolutionary trees because they are Correct Answer the result
of natural selection instead of common ancestry
Archaea and bacteria diverged Correct Answer before archaea
and eukarya diverged
Are segmented worms (annelids), roundworms (nematodes), and
flatworms (platyhelminthes) considered a monophyletic clade?
Correct Answer no, false
Cytokinins promote the growth of Correct Answer axillary
buds
Each of the various tissues of a flowering plant serves its own
functions. Which of the following does not properly match a
flowering plant's tissue with its function within the plant?
Correct Answer shoots: anchors plant to ground; absorbs water
and minerals from soil
Echinoderm larvae are _____, whereas echinoderm adults
are____ Correct Answer bilaterally symmetrical; radially
symmetrical
Ecological Succession refers to Correct Answer a series of
predictable changes in the composition or structure of an
ecological community
Ecology is best defined as the study of: Correct Answer the
relationships between all living organisms and their environment
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