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Transcript
Name ____________________________
Date _____________________________
Section _________________________
8th Grade Life Science
Evolution: Anticipation Guide
Read each of the following statements and in the right hand column (prediction) mark
whether you think the statement is true or false. Once you and your partner have completed
the first column, QUIETLY compare answers. We will begin the reading together, then you
and your partner will read. Then, independently you will go through the rest of the reading
and powerpoint notes to find out whether each statement is in fact true or false. Mark the
correct answer in the actual column. In your notebook please note the page number where you
found your information. You may Use pages in your book, powerpoint lessons, and
interactive computer activities to guide you.
Statement
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The processes at work today on Earth are new processes.
Fossils are evidence that life on Earth has changed over time.
Continental drift affected the evolution of species.
There is little evidence that supports the theory of evolution.
Charles Darwin is famous for his theory of evolution.
Evolution happens very quickly.
A species is a group of similar organisms that can mate with each
other and produce offspring.
There are less than 1 million species of organisms on Earth.
The organisms living on the Galapagos Islands were exactly the
same as the fossils that Darwin found.
The organisms on the islands were exactly the same as those found
on the mainland.
Iguanas on mainland South America have smaller claws than
iguanas on the Galapagos Islands would be an example of evidence
Darwin found to prove evolution.
Some of the factors that affect natural selection are overproduction
(competition), adaptation, and mutations.
Natural selection can lead to change over a short period of time.
Adaptation is a trait that helps an organism survive and reproduce.
Different beak shapes is an example of a mutation.
Finches (birds) that ate insects have strong, wide beaks is an
example of an adaptation.
Sea turtles can compete with each other by physically fighting head
to head is an example of overproduction.
Sheep can be selectively bred for their fine wool.
Natural selection still occurs today.
Geographic isolation is one of the main ways that new species
form.
T/F
Prediction
T/F
Actual
New terms to be placed on vocabulary cards:
Evolution
Natural selection
Species
Adaptation
Overproduction
Mutation
Variation
Selective breeding (artificial breeding)