SCI 115 WEEK 7 QUIZ 7
SCI 115 Week 7 Quiz 7
1.
What idea did
Malthus champion that Darwin incorporated into his theory of evolution?
2.
Which of the
following factors is the only one that influences radioactive decay?
3.
What is the cut
off age for dating fossils by their Carbon 14 content?
4.
What was the
name of the supercontinent that once contained all of Earth’s land masses?
5.
Similar body
parts that reflect shared ancestry are known as
6.
What is true
about homologous structures?
7.
____ changes the
DNA but has no impact upon the individual.
8.
When allele
frequency changes, a population is said to no longer be in
9.
____ is a random
change in allele frequency over time that is brought about by chance.
10. Puppies born too large experience difficulties in birthing and tend to have
respiratory and other problems. Puppies born too small often can’t compete with
their siblings for their mother’s milk. Thus, puppies born not too large or too
small have a survival advantage. This is an example of ___ selection.
11.
The movement of
alleles among populations is called
12.
A physical
barrier that separates a population in half and that leads to the evolution of
a new species is called
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