BIO 208 - Exam 1: Week 2. Questions & Answers.
Question 1
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There are two different species of toads which are separated by a
hot and dry valley, and fossil evidence indicates that these two
species share a common ancestor. What woul...
there are two different species of toads which are separated by a hot and dry valley
and fossil evidence indicates
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Georgia Military College
BIO 208
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Question 1
Correct
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There are two different species of toads which are separated by a
hot and dry valley, and fossil evidence indicates that these two
species share a common ancestor. What would have caused these
two species to evolve?
Select one:
a. sympatric speciation
b. adaptive speciation
c. artificial speciation
d. allopatric speciation
e. temporal speciation
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The correct answer is: allopatric speciation
Question 2
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Which of the following is true for something other than
autoploidy?
Select one:
a. It is how a clone is produced
b. A diploid gamete fuses with a haploid gamete
c. The result is triploid
d. The offspring is sterile
e. It occurs in plants
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The correct answer is: It is how a clone is produced
Question 3
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What is fertilization in the mosses dependent upon?
Select one:
a. butterflies
b. mammals
,c. water
d. wind
e. bees
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The correct answer is: water
Question 4
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Which of the following statements is true of the sporophyte
generation, but not the gametophyte generation?
Select one:
a. It is dominant in mosses
b. It produces gametes
c. Egg and sperm are produced through meiosis
d. It is haploid
e. In angiosperms it is less dominant than the sporophyte
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The correct answer is: Egg and sperm are produced through
meiosis
Question 5
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When did fish first appear in the fossil record?
Select one:
a. Devonian
b. Mesozoic
c. Jurassic
d. Ordovician
e. Tertiary
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The correct answer is: Ordovician
Question 6
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Which of the following statements about differential gene
, expression is true?
Select one:
a. It would leave unchanged the size of a particular structure
b. It might maintain the function of an organ
c. It could identically color skin
d. It might change leg length between species
e. It might cause a species to grow as long as another
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The correct answer is: It might change leg length between species
Question 7
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What is produced after the haploid microspores undergo mitosis in
pine trees?
Select one:
a. embryo sacs
b. ovules
c. pollen grains
d. zygotes
e. eggs
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The correct answer is: pollen grains
Question 8
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What characteristic is shared by most different types of plants?
Select one:
a. embryo protection
b. seeds
c. vascular tissue
d. flowers
e. cones
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The correct answer is: embryo protection
Question 9
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