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Science Ch. 6 Study Guide
Ls. 1
 Animals change ecosystems in good and bad ways.
o Write how and examples from the book (earthworm, beavers,
locusts)
 Write how people have changed ecosystems and what the effects are,
and why
o Re: zebra mussels, garlic mustard plant, acid rain, landfills
Ls. 2
 Vocab: structural adaptations, behavioral adaptations, inherit,
mutation
 *** Write examples of structural and behavioral adaptation; be able
to recognize if an adaptation is one or the other
 Write examples from the book of traits that are inherited and those
that the ecosystem affects
 How much of each parent’s genes do we inherit?
Ls. 3
 Vocab: pesticides, extinct
 Why might animals change their behavior? (p. 174)
 Write about how the mosquitos and bacteria (p. 175) have developed
adaptations
 What happened to the eagle and why? (p. 177)
 ***A normally temperate climate receives a moderate amount of
rainfall. Explain how a drought affects the habitat and how a species
can survive this sudden change. Then explain what would happen to a
species that could not adapt to this change.
 ***Humans fill in wetlands so they can build homes and other
buildings in the area. How does this change the wetland ecosystem?