26.what are similar characters due to relatedness?
a. biogeography
b. development biology
c. fossil evidence
d. homologies
27.what is the geographic distribution of species in time and space As influenced by many factors, including continental drift and log distance dispersal?
a. biogeography
b. development biology
c. fossil evidence
d. homologies
28.who devised the taxonomic system during 1707-1778?
a. carolus linnaeus
b. Charles Darwin
c. georges cuvier
d. Thomas Malthus
29.what is a hierarchical system where organisms are grouped into ever more categories from species up to kingdom?
a. kingdom
b. phylum
c. system
d. taxonomy
30.what is the common name of homo sapiens?
a. dog
b. fruit fly
c. human
d. onion
31.what is the common name of canis familiaris?
a.dog
b. fruit fly
c. human
d. onion
32.what is the common name of allium capa?
a. dog
b. fruit fly
c. human
d. onion
33.which of the following is an application of genetic engineering?
a. artificial insemination
b. gene manipulation
c. in vitro fertilization
d. all of the above
34.how do you describe classical plant breeding?
a. uses deliberate interbreeding (crossing) of closely or distantly related individuals to produce new crop varieties of lines with desirable properties.
b. plants are crossbred to introduce traits/genes from one variety or line into a new genetic background.
c. A only
d. both A and B
35.genetic engineering involves the use of molecular techniques to modify the traits of a target organism.the modification of traits may involve which of the following?
a. introduction of new traits into an organism
b. enhancement of a present trait by increasing the expression of the desired gene
c. enhancement of a present trait by disrupting the inhibition of the desired genes expression
d. all of the above
36.how do you describe Cambrian explosion?
a. there was a sudden, apparent explosion of diversity in life forms about 545 million years ago
b. the explosion created the complexity of multi-celled organisms In a relatively short time frame of 5 to 10 million years
c. the explosion created most of the major extant animal groups today
d. all of the above
37.how do you explain the relative dating as a way to measure the age of a fossil?
a.based upon the study of layer of rocks
b. considers the half-life
c. determines the actual age of the fossil
d. using radioactive isotopes
38.how do you explain the absolute dating as a way to measurement the age of a fossil?
a. determines the actual age of the fossil
b. based upon the study of layer of rocks
c. only compare fossils as older or younger
d. depends on their position in rock layer
39.how can you describe allopatric speciation?
a. occurs when some members of a population become geographically separated from the other members thereby preventing gene flow
b. occurs when members of a population that initially occupy the same habitat within the same range diverge into two or more different species
c. occurs when the groups that evolved to be separate species are geographic neighbors
d. none of the above
40.how can you describe sympatric speciation?
a. occurs when some members of a population become geographically separated from the other members thereby preventing gene flow
b. occurs when members of a population that initially occupy the same habitat within the same range diverge into two or more different species
c. occurs when the groups that evolved to be separated species are geographic neighbors
d. none of the above
41.how can you describe parapatric speciation?
a.occures when some members of a population become geographically separated from the other members thereby preventing gene flow
b.occurs when members of a population that initially occupy the same habitat within the same range diverge into two or more different species
c.occurs when the groups that evolved to be separate species are geographic neighbors
d.none of the above
e.occurs when some members of a population become geographically separated from the other members thereby preventing gene flow
f. occurs when members of a population that initially occupy the same habitat within the same range diverge into two or more different species
g.occurs when the groups that evolved to be separate species are geographic neighbors
h.none of the above
42.why do biologists classify organisms?
a.to make sense of the incredible diversity of life on earth.
b.to gain recognition
c.to be influential
d.to be awarded
43.taxonomy is a method by which biologists organize living into groups.
a.true
b.false
c.maybe true
d.maybe false
44.at the most basic level, all living organisms share the same genetic material.
a.true
b.false
c.maybe true
d.maybe false
45.a tree of life can be constructed to illustrate when different organisms evolved and to show the relationships among different organism.
a.true
b.false
c.maybe true
d.maybe false
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