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Transcript
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Helpful variations accumulate among surviving
members of the species?
How does natural
selection lead to
evolution?
Row 1, Col 1
Overproduction
A species creating more
offspring than can possible
survive.
3,1
The marbled murrelet would go extinct.
The marbled murrelet, an ENDANGERED
seabird in California,is dependent upon
sequoia forests and trees for survival. What
might happen to the marbled murrelet
population if the sequoia population went
extinct. ?
4,1
Only traits that are controlled by genes can be
acted on by natural selection.
What is the role of genes
in evolution?
5,1
Variations
Differences between
members of the same
species are called?
1,2
Changed over time.
Darwin concluded that
organisms on the
Galapagos Island had…..
2,2
Evolution
The gradual change in a
species over time is
called?
3,2
Their beaks were adaptations related to the foods the
finches ate.
What did Darwin observe
about finches in the
Galapagos Islands?
4,2
Evolution
The gradual change in a
species over time is
called?
5,2
A small number of different plant and animal species
had come to the Galapagos Islands from the mainland.
What did Darwin infer from his
observations of organisms in
South America and the
Galapagos Islands?
1,3
A group of similar organisms that can mate with each
other and produce fertile offspring.
What is a species?
2,3
Genus name and species name.
An organism’s scientific
name consists of ?
3,3
So they are easier to study.
Why do scientists organize
living things into groups?
4,3
Taxonomy
The scientific study of how
living things are classified
is?
5,3
The species inherited many of the same genes from a
common ancestor.
Why do scientists think
related species have
similar body structures and
development patterns?
1,4
Determine the evolutionary relationships among species.
Scientists combine evidence
from fossils, body structures,
early development, DNA,
and protein structures to?
2,4
Branching tree
A diagram showing how
scientists think different
groups of organisms are
related.
3,4
A group is separated from the rest of the species.
What is one of the main
ways a new species forms?
4,4
Only hard parts are usually preserved.
Why would a worm,
jellyfish or a leaf not
become a fossil?
5,4
Petrified.
What kind of fossil has
minerals replacing all or
part
of an organism?
1,5
Minerals replace all or part of an organism.
How do most fossils form?
2,5
Domain
In the modern
classification system used
by biologist, the broadest
level of organization is
called?
3,6
Evolved from a common ancestor.
If two organisms look very
similar during their early
stages of development,
this is evidence that the
organisms
4,5
Homologous structure
Similar structures that
related species have
inherited from a common
ancestor?
5,5
Fossils
The preserved remains or
traces of organisms that
lived in the past.
1,6
Genes
The only traits that can be acted upon
by natural selection are those
controlled by
2,6
Genus
The scientific names of the
puma (Felis concolor), house
cat (Felis domesticus)
indicate that they all belong to
the same.
4,6
Carrolus Linneaus
Who developed a naming
system that grouped
organisms on the basis of
their observable features?
1,7
Adaptation
The harmless viceroy butterfly
looks like the poisonous
monarch butterfly. This
___________enables the
viceroy butterfly to survive.
2,7
Sedimentary
Most fossils are found in
what kind of rock?
4,7
DNA
Proteins can be used to
determine how closely related
organisms because amino acid
sequences are determined by the
______that makes up an
organism’s genes.
5,7