take this test part 7:

[osimsDDS]

Topic evolution (pretty important on the DAT):

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

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[harrygt]

Topic evolution (pretty important on the DAT):

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death [I found the wording a bit confusing]
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

Yeah, pretty important and BORING section of Bio on DAT. I hate this section of evolution, but we gotta know it!

 

[wkawk2416]

keep it up! good tests!

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above[/quote]

 

[baedero1]

Topic evolution (pretty important on the DAT):

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

 

[DRHOYA]

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

I thought this was pretty tough. I need to brush up on evolution topics.

 

[HoangDDS]

Topic evolution (pretty important on the DAT):

1) The term coevolution describes?evolution b/w 2 species that cause selective pressure towards each other
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?Evolution with little change over time
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?never even heard of this, but assuming mechanism that prevent formation of hybrid zygote?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?thermal protein formed abiotically from amino acids
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

Thanks for the questions OsimDDS!

 

[DRHOYA]

^ Thanks for the defintions of the first 2 questions, and the last question HoangDDS. Now I won't forget them.

 

[Maygyver]

Topic evolution (pretty important on the DAT):

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above (my second choice)

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

Thanks for the quizzes!

 

[harrygt]

Osim, what happened to the answers for this one?
By the way, Question one was a bit confusing.

 

[NuckingFutz]

Lets try this:

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution (no idea)
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species???
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates (gah)
d) b and c
e) none of the above

 

[osimsDDS]

Here are the answers, most did very well nice job guys...

Topic evolution (pretty important on the DAT):

1) The term coevolution describes?
a) two different species undergoing natural selection
b) predator and prey undergoing natural selection
c) the same species undergoing natural selection in different environments
d) all of the above

2) The term punctuated equilibrium describes?
a) evolutionary history results from long periods of stasis and short periods of rapid evolution
b) rapid evolution the sudden death
c) a natural disaster
d) all of the above

3) Which is not a prezygotic isolating mechanism?
a) habitat isolation
b) behavioral isolation
c) hybrid sterility
d) gametic isolation

4) Which might be an explanation for punctuated equilibrium?
a) fossils revealing an intermediate stage of evolution in a species
b) fossils revealing no intermediate stage of evolution in a species
c) fossils revealing no evolution at all
d) none of the above

5) What are proteinoids?
a) biotically produced polypeptides
b) abiotically produced polypeptides
c) produced by allowing amino acids to dehydrate on hot/dry substrates
d) b and c
e) none of the above

 

[HoangDDS]

nice, now its your turn to take my exam! Hey its harder to make test than to take test =) .