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What is evolution?
A.
Adaptation
What are vestigial structures?
B.
Extinct
The structures of a human's arm, a whale’s flipper,
and a cat's are all similar. What are these structures
called?
A species that no longer is found on Earth is said to
be what?
What do all of these things have in common? DNA,
protein structures, early development, body
structures.
Who was the naturalist on the beagle?
C. Variations
What did Darwin notice about the finches in the
different Islands?
The gradual change in a species over time is called
D. A change in a species over time
E. Natural selection
F. Helpful variations accumulate among surviving
members of the species
G. Sedimentary rock
H. That human and monkey have a common ancestor
A trait that helps an organism survive and reproduce
is called a
How does Natural selection lead to evolution?
I.
Homologous structures
J.
Structures that are no longer used in an organism
Which term refers to a species creating more
offspring than can possibly survive?
Which term refers to the process by which
individuals that are better adapted to their
environment are more likely to survive and
reproduce
Differences between members of the same species
are called
What is the role of genes in evolution?
K. Charles Darwin
What are fossils?
O. can mate with each other and produce offspring
What did Darwin infer from his observations of
organisms in South America and the Galapagos
Islands?
A species is a group of similar organisms that...
P. A small number of plant and animal species had come
to the Galapagos Islands from South America
A branching tree is
R. The preserved remains or traces of organisms that
lived in the past
S. They had different beaks that were adapted to the type
of food they ate
T. Only traits that are controlled by genes can be acted
on by natural selection
U. Evolution
Fossils are commonly found in
How long does it take for an organism to change
A change in an organisms DNA is known as
Geologists have evidence that there once was one
land mass called Pangaea. The landform split apart
into what we see today. How can this play a role in
evolution?
Humans and rhesus monkey have similar proteins
found in blood samples. What does this indicate?
name the process where desired characteristics are
chosen for reproductive purposes
L. As drifting occurred, species became separated and
the environments changed. This would force the
organisms to adapt or evolve to the new environment
M. Overproduction
N. selective breeding
Q. They are all evidence of evolution
V.
A diagram showing how scientists think different
groups of organisms are related
W. Many generations
X. a mutation