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To observe natural selection's effects on a population, what must be true?
The population must contain genetic variation.
-
All of the following substances are produced in a muscle cell under anaerobic conditions except
Acetyle Coa
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Which class of the phylum
Cnidaria includes the animals called jellies?
Scyphozoa
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Biologists suspect that endosymbiosis gave rise to mitochondria before plastids because
almost all eukaryotes have mitochondria, while only autotrophic eukaryotes have plastids.
-
The reason that linked genes are inherited together is
that they are located on the same chromosome.
-
All of the following are primary functions of flowers except
Photosynthesis
-
Collectively, jawless fish are referred to as
Agnathans
-
The ideas of Hutton and Lyell that Darwin incorporated into his theory pertained to
the age of Earth and gradual change.
-
The structural and functional diversity among protists is illustrated by all of the following EXCEPT:
having both aquatic and dry terrestrial members.
-
The most recent common ancestors of all
land plants were most likely similar to modern-day members of which group?
Charophycea
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The chloroplast structure and biochemistry
of the red algae are most like which of the following organisms?
Cyanobacteria
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Which one of the following statements about angiosperm
carpels is INCORRECT?
They produce microspores.
-
The following are all adaptations to life on land except
rosette cellulose-synthesizing complexes.
-
In the phylum Platyhelminthes, which of the following classes is (are) mostly nonparasitic?
Turbellaria
-
An important, early incursion of placental mammals into South America occurred during:
the Tertiary, about 12 million years ago.
-
The three substrates (normal reactants) for the enzyme RuBP carboxylase/oxidase (rubisco) are
CO2, O2, and RuBP.
-
The evolutionary innovation
that first appeared in arthropods, and thus made the animal body plan complete, was:
Jointed appendages
-
The person who devised a taxonomic system that used morphological (i.e., anatomical) features as the primary criteria for
classifying organisms was:
Carolus linnaeus
-
All of the following are directly associated with
photosystem I except
Photolysis
-
The decrease in the size of plants on the slopes of mountains as altitudes increase is an example of
A cline
-
Which of the following is a true statement about plant reproduction?
Both male and female primitive plants produce gametangia.
-
Which of the following statements about mammalian evolution
is correct?
Mammals evolved from reptilian stocks even earlier than birds.
-
The following are all true about the life cycle of
mosses except
gametes are directly produced by meiosis.
-
Whenever energy is transformed, there is always an increase in the
entropy of the universe
-
Atoms of different phosphorus isotopes _____.
have different numbers of neutrons
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