Transcript Ch07millionaire

Who Wants to
Be a
Millionaire?
Template by Bill Arcuri, WCSD
Ecosystems
Click the appropriate dollar amount
at right to proceed to the question
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Template by Bill Arcuri, WCSD
Phone A Friend
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have thirty seconds to discuss your
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Ask the Audience
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one…in a moment, we’ll ask you to
indicate, by show of hands, your choice
for the correct answer…”
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Fifty - Fifty
50/50
You’ve asked that two of the
wrong answers be eliminated,
leaving you with one wrong
answer plus the correct one.
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Question
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Correct
Correct!
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Incorrect
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Incorrect
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Question
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The fennic, arctic, and gray foxes
have different appearances
because they
50/50
A
have different
adaptations
C
Belong to different
kingdoms
B
are hybrids
D appear different
Template by Bill Arcuri, WCSD
Which statement is true about
adaptations?
50/50
A
Develop in one
lifetime
B
Include body but
not behaviors
C
Happen when one
individuals is better
D
Are passed from one
generation to next
Template by Bill Arcuri, WCSD
What happens to species that
cannot adapt to changing
conditions in its environment?
50/50
Individuals may
A
die
C
May become
extinct
B
Species may
move
D Individuals may
move
Template by Bill Arcuri, WCSD
Which type of organisms get
energy by breaking down the
remains of dead organisms?
50/50
A
parasites
B
producers
C
decomposers
D
consumers
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How is a food chain related to
a food web?
50/50
A
Not related
C Run parallel to
eachother
Chains make up
B
webs
D Webs make up
chains
Template by Bill Arcuri, WCSD
An organism that harms
another in a symbiotic
relationship is _____________
50/50
A
prey
B
polluter
C
predator
D
parasite
Template by Bill Arcuri, WCSD
When there is a diagram with many
arrows to many different
animals/plants. What is this called?
50/50
Energy chain
A
Food chain
B
C
Food web
D Energy pyramid
Template by Bill Arcuri, WCSD
Why does the amount of available
energy decrease at higher levels of
the energy pyramid?
50/50
A
Top organisms don’t
need as much
Some energy is
B used per level
C
There are more
upper than lower
D
Substances move
up and down
Template by Bill Arcuri, WCSD
When different species with
similar needs live in an
ecosystem with limited
resources, what will happen?
50/50
A
peace
B
some will eat
others
C
needs will
change
D
competition
Template by Bill Arcuri, WCSD
Barnacles live on the side of a
whale. The barnacles benefit but
do not help or harm the whale.
What kind of relationship is this?
50/50
A commensalism
B
parasitism
C
D
mutualism
symbolism
Template by Bill Arcuri, WCSD
Which of the following would
be the most useful adaptation
for prey?
50/50
A
Keen sense of
smell
C Strong jaws and
sharp teeth
B
Ability to look
like a stick
D Poisonous bite
to paralyze
Template by Bill Arcuri, WCSD
As bees collect nectar from flowers,
they spread pollen from one flower
to another. Both species benefit.
Which type of relationship is this?
50/50
A
succession
C commensalism
B
parasitism
D
mutualism
Template by Bill Arcuri, WCSD
In the nitrogen cycle, where do
animals get their nitrogen?
50/50
A
C
From plants
B
From the air
From the Sun
D
From
decomposers
Template by Bill Arcuri, WCSD
Why are photosynthesis and
respiration such important
parts of the carbon cycle?
50/50
Photosynthesis
A
makes CO2
B
Change CO2
into O2
C Animals breathe
D
Animals use CO2
and make O2
out O2
Template by Bill Arcuri, WCSD
Essays
1) Pine trees can’t continue to grow indefinitely. But a pine forest,
the ground beneath them is too shady for new seedlings to grow.
The cones of the jack pine release their seeds only after they have
been exposed to high heat. Explain how fire can benefit new
growth in such trees.
2) Describe three different types of adaptations that occur in
species and give an example of each
3) Compare how consumers and producers use energy from the
Sun. Include examples of each type of organism.
4) Human activities sometimes change ecosystems more quickly
and more permanently than the activities of other organisms.
1) Describe two ways in which humans create changes in an
ecosystem.
2) Explain how humans might avoid permanently damaging their
ecosystem.