Transcript Document

Food Chains
Populations
Cycles
Energy
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Final Jeopardy
Effects
Whatever
Food Chains 100 Points
Question:
What typically starts a food chain?
Answer:
Producers
Back
Food Chains : 200 Points
Question:
The animal that is second in a food chain is known as the
__________ consumer.
Answer:
Primary
Back
Food Chains : 300 Points
Question:
A more complex network of food chains is known
as a ________.
Answer:
Food Web
Back
Food Chains : 400 Points
Question:
Humans would usually be called what type of
organism with respect to a food chain?
Answer:
The top consumer
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Back
Populations : 100 Points
Question:
Populations involve how many different types of
organisms?
Answer:
One
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Populations: 200 Points
Question:
When a population starts to level off, it is said to
reach its ___________.
Answer:
Carrying Capacity
Back
Populations: 300 Points
Question:
If a population falls for a few years because of a
drought, that would known as a(n) ________ factor.
Answer:
Limiting Abiotic
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Populations : 400 Points
Question:
Why does it take a population a few years to reach
the log phase of growth?
Answer:
Organism must get used to the environment and
have a suitable number of mates.
Back
Back
Cycles: 100 Points
Question:
When water leaves the oceans and returns to the atmosphere, the
process is known as?
Answer:
evaporation
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Cycles: 200 Points
Question:
Plants use carbon in a process known as?
Answer:
Photosynthesis
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Cycles : 300 Points
Question:
How is ammonia converted to nitrates in the soil?
Answer:
Nitrifying Bacteria
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Cycles: 400 Points
Question:
Why are all three cycles so important?
Answer:
They transfer important nutrients around the
ecosystem so that the ecosystem can stay
healthy.
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Back
Energy: 100 Points
Question:
All of the energy that supplies a food chain
originally comes from what?
Answer:
The sun
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Energy: 200 Points
Question:
As energy is passed up a food chain, how much is
usually lost?
Answer:
90%
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Energy: 300 Points
Question:
Why are food chains typically not longer than 4
links?
Answer:
The energy is too depleted by the time it reaches
the top.
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Energy: 400 Points
Question:
If 5000 J of energy enters a food chain at the grass,
then how much energy would the tertiary consumer
receive of that original energy?
Answer:
0.5 J
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Back
Effects: 100 Points
Question:
You must always be careful when you change an
ecosystem because you never know what type of
_______ effects may occur.
Answer:
Ripple
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Effects:
200 Points
Question:
If there was an increase in predators to an area,
that would have a(n) ________ effect on a certain
population and cause it to _________.
Answer:
Biotic, decrease
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Effects:
300 Points
Question:
When humans damage an area so much that native organisms must
leave, this effect is known as ____________.
Answer:
Habitat Change
Back
Effects:
400 Points
Question:
When someone brings a foreign species to a new area and that
species begins to damage their new area, this effect is known as
__________.
Answer:
Invasive species
Back
Whatever:
100 Points
Question:
When toxins become more and more concentrated up a food chain,
this is known as __________.
Answer:
Bioaccumulation
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Whatever:
200 Points
Question:
What area of our bodies can we not get rid of substances?
Answer:
Fat soluble areas
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Whatever:
300 Points
Question:
Explain the shape of an energy pyramid?
Answer:
There needs to be more organisms in the lower
levels to sustain the upper levels because energy is
lost along the way, so organisms higher up need to
eat more from the lower levels.
Back
Whatever:
400 Points
Question:
Nitrogen is a very important nutrient in an ecosystems cycle
because it is key in producing what?
Answer:
Proteins
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Final Jeopardy!
• Question:
• What is the main issue with the majority of
the worlds water supply?
• Answer:
• It is salt water, which we can’t drink
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