Zoology Sample Questions Exam 1
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9. During conjugation
1. Which is not one of the observations that led
a. binary fission occurs.
Darwin to propose the theory of natural selection?
b. macronuclei are formed.
a. Organisms have great potential fertility.
c. for
haploid
micronuclei are exchanged.
b. Characteristics that are harmful to survival are often advantageous
reproduction.
d.
Both
(b)
and (c)
c. Natural populations normally remain constant in size except for minor fluctuations.
e.
All
of
the
above
d. Natural resources are limited.
e. All populations show organismal variation.
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10. Which of the following scientists was most
important in transforming Darwin's theory from its
2. Which best describes the relationship between
initial formulation to what we now call neoorganismal ontogeny and phylogeny?
Darwinism?
a. Ontogeny usually recapitulates phylogeny in reverse order.
b. Ontogeny may recapitulate phylogeny for some characteristics,a.but Weissmann
rarely does this occur for the
b. T. H. Huxley
organism as a whole.
c. Anaximander
c. Ontogeny recapitulates phylogeny.
d. Lyell
d. Ontogeny has nothing in common with phylogeny.
e. Lamarck
e. Ontogeny rarely contains phylogenetic information.
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3. Osmoregulation in protozoa is carried out by:
a. trichocysts
b. kineties
c. apical complexes
d. contractile vacuoles
e. food vacuoles
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4. Characteristics of protozoans include:
a. unicellular, multicellular, but not colonial types
b. only sessile cells
____
c. germ layers present
d. Both (a) and (c)
e. None of the above
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5. Characteristics of deuterostomes include
a. spiral cleavage.
b. blastopore forms the mouth.
____
c. mosaic embryo.
d. all of the above
e. none of the above
6. A process of hypothesis formulation that involves
starting from a general observation to developing a
specific question is called:
____
a. the scientific method.
b. deductive reasoning.
c. inductive reasoning.
d. informed reasoning.
e. intelligent guessing.
7. The ______ are protozoans that form complex,
many-chambered tests composed of calcium
____
carbonate.
a. Foraminifera
b. Retordamonada
c. Ciliata
d. Euglenozoa
e. Radiolaria
8. The tissue type composed of fibers and fixed and
wandering cells suspended in a fluid matrix is
______ tissue.
a. loose connective
b. cardiac
c. dense connective
d. unstriated
e. epithelial
11. Which of the following is true of the punctuated
equilibrium theory?
a. It proposes that most evolutionary change is concentrate
speciation.
b. It was inspired in part by patterns observed in the fossil r
c. It suggests that most species experience relatively little p
evolutionary durations.
d. Both (a) and (b)
e. All of the above
12. The species concept includes which of these ideas?
a. smallest distinct groupings.
b. common descent.
c. reproductive community.
d. Both (a) and (b).
e. All of the above.
13. In the formula, p + q = 1
a. q represents the mortality rate of an allele
b. p represents the frequency of one of the alleles in the pop
c. p represents the probability of an allele mutating.
d. q represents the selection pressure acting against an allel
e. none of the above
14. The source of information about relationships that
comes from the study of anatomy is called
a. comparative cytology.
b. phylogenetic morphology.
c. analytical anatomy.
d. comparative biochemistry.
e. comparative morphology.
15. In California there are several different species of
salamander believed to have originated from a
single species that was geographically isolated into
separate populations. This is called:
a. allopatric speciation.
b. homologous speciation.
c. endemic speciation.
d. cosmopolitan speciation.
e. phylogenetic speciation.