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Copy the following descriptions and match it
with the appropriate symbiotic relationship:
Commensalism, Mutualism, or Parasitism
• Both species benefit
• One species benefits and one is harmed
• One species benefits and one is unaffected
MINDSTRETCHER
Mutualism
Parasitism
Commensalism
The Water Cycle
The WATER Cycle: Diagram
CONDENSATION
PRECIPITATION
EVAPORATION
GROUNDWATER
National Science Foundationvideo clip
https://youtu.be/al-do-HGuIk
https://youtu.be/al-do-HGuIk
Why is the water cycle important?
Without water, there would be no life on Earth (no water= no life)
All organisms are mostly made of water
Helps transport nutrients and wastes within an organism
Helps regulate temperature. Ex: when you sweat, water evaporates
from your skin and cools your body.
Where do we get our fresh water?
TedEd video clip
https://youtu.be/Pz6AQXQGupQ
https://youtu.be/Pz6AQXQGupQ
Describe the following key terms on your poster:
Precipitation
Condensation
Evaporation
Transpiration
Groundwater
The WATER Cycle
Use notes
Water-our most precious resource.
https://youtu.be/VIaw5mCjHPI
https://youtu.be/VIaw5mCjHPI
What would happen if you didn’t drink water?
TedEd video clip
https://youtu.be/9iMGFqMmUFs
https://youtu.be/9iMGFqMmUFs
Password Round 1
photosynthesis combustion precipitationevaporation
transpiration decomposition condensation
runoff respiration
Groundwater
Mind Stretcher – copy all
1. During ____________, the sun’s heat causes water to change from liquid to vapor.
2. In ____________, the water vapor cools and returns to a liquid state.
3. The water that falls from the atmosphere to the land and oceans is __________________.
evaporation
precipitation
condensation
The Carbon Cycle
Carbon Cycle Diagram
Cellular
Respiration CombustionPhotosynthesis
Decomposition
Copy the following key terms on your poster in the middle box:(leave space to answer them as we go along.)
photosynthesis
respiration
decomposition
combustion
Include: How do consumers get the carbon they need?
The CARBON Cycle
What is a carbon atom?
#6 on the periodic table. It’s symbol is “C”.
All living organisms are based on the carbon atom.
Carbon atoms continually move through living organisms, the oceans, the atmosphere, and the crust of the planet.
The CARBON Cycle
https://youtu.be/3XIyweZg6Sw
https://youtu.be/3XIyweZg6Sw
What are the basics of the carbon cycle?
Photosynthesis-Plants use carbon dioxide, water, and sunlight to make sugar molecules (glucose) and oxygen.
Respiration- Animals take in oxygen and break down sugar molecules releasing energy, carbon dioxide, and water.
Takes CO2 out of the environment
Releases/Adds CO2 to the environment
-
+
Simple picture
The plants give off oxygen, which is what the animals need…
The animals give off carbon dioxide…which is what the plants need!
What are the basics of the carbon cycle?
How do plants do it?Throughphotosynthesis!
PhotosynthesisThe process by which producers use
the energy from sunlight to produce sugar, which consumers convert to "fuel“.
6H2O + 6CO2 ----------> C6H12O6+ 6O2
6 molecules of water + 6 molecules of carbon dioxide = 1 molecule of sugar + 6 molecules of oxygen
The OPPOSITE process…
Respiration
Respiration- Animals take in oxygen and break down sugar molecules releasing energy, carbon dioxide, and water.
C6H12O6+ 6O2 ----------> 6H2O + 6CO2
1 molecule of sugar + 6 molecules of oxygen= 6 molecules of water + 6 molecules of carbon dioxide+ ATP energy!
Photosynthesis & Food
TedEdVideo clip
https://youtu.be/eo5XndJaz-Y
https://youtu.be/eo5XndJaz-Y
What are the basics of the carbon cycle?
Combustion- process of burning a substance, such as wood or fossil fuels
Decomposition- the breakdown of substances into simpler molecules
Releases/Adds CO2 to the environment
Releases/Adds CO2 to the environment
+
+
How do we get the carbon we need?
Most consumers get the carbon and energy they need by eating plants & animals.
Why is Carbon Important?
Besides water, the most common molecules in living things are organic molecules, or molecules that contain carbon (2nd most common molecule in organisms)
Too much carbon may be a cause of Global Warming.
Vocabulary Activity
Without using your notes or concept map, try answering the short vocabulary review activity. Use pencil!
Skip #13…it’s the same as #15
Vocabulary ActivityAnswers
1. mutualism
2. combustion
3. predator
4. photosynthesis
5. nitrogen fixation
6. respiration
7. prey
8. evaporation
9. precipitation
10. commensalism
11. parasitism
12. decomposition
13. SKIP
14. transpiration
15. carrying capacity
16. condensation
Password Round 2
Competition Predation AutotrophHabitat
Parasitism Commensalism Mutualism
Heterotroph Limiting
Factor
Symbiosis
Password Round 3
Run-off OmnivoreLimiting
Factor
Condensation
Parasitism Food Web Decomposer
photosynthesis Commensalism
Nitrogen
Fixation
Mind Stretcher – copy all
1. Carbon dioxide and water are released as waste products of _______________.
2. The breakdown of substances into simpler molecules is called __________________. decomposition
respiration
Super Sleuth: Find someone who knows…
What process takes carbon
out of the atmosphere?
True or False: Animals and
plants both perform respiration.
Photosynthesis
takes in what gas?
Where do plants get their
energy?
What 3 processes release
carbon into the
atmosphere?
Cellular respiration
releases what gas?
How do consumers get
the carbon they need?
Photosynthesis
releases what gas?
Cellular respiration
takes in what gas?
Photosynthesis Carbon Dioxide Oxygen
Respiration, Combustion,
DecompositionOxygen The Sun
Eat other organisms
Carbon Dioxide
TRUE
The Nitrogen Cycle
Describe/Answer the following on your concept map poster in the
middle box:
1.What is the % of “free nitrogen” in the air?
2.Define nitrogen fixation
3.Who performs nitrogen fixation? Where do they live?
4.Are there additional ways nitrogen can become “fixed”?
5.How do consumers get the nitrogen they need?
The NITROGEN Cycle
The NITROGEN Cycle
“Free” Nitrogen
Gas in Air
Nitrogen
fixation
WasteDeath &
Decay/Decomposition
So…nitrogen is RELEASED into soil through decomposition when organisms die,
through waste, and through bacteria releasing it after being fixed.
Nitrogen is RELEASED into the atmosphere by bacteria as well.
Plants can then take it in from the soil. Animals then eat the plants…
Where is nitrogen?
• Take a deep breath. You just breathed in a whole bunch of nitrogen!
• 78% of earth’s atmosphere consists of Nitrogen.
• Since nitrogen is so important you’d think this was a good thing, right?
Most organisms cannot use nitrogen in the form N2 or “Free Nitrogen”. It must be first combined with other molecules or “Fixed”
How does nitrogen get “fixed”?
Bacteria who live in “nodules” on plant roots perform nitrogen fixation.
This is an example of mutualism: Bacteria get a home on plant
roots
Plants get the nitrogen “fixed” into a form they can use
Nitrogen fixation- when bacteria transform nitrogen into a form plants can use
Lightning also fixes Nitrogen.
Other Ways to “Fix” nitrogen…
• Lightning can “fix nitrogen” too!
• This is only a small amount of nitrogen fixation.
• It breaks the bond…nitrogen then combines with oxygen to create NO3 which is washed into the soil by rain.
• This is the form of nitrogen needed by plants
Simple Picture
Why is Nitrogen Important?
All life requires nitrogen. It helps build protein and DNA
in our cells
In Conclusion, Remember…
Water, Carbon, and Nitrogen are all necessary to living things.
All three are types of matter (non-living)
All three are constantly being cycled through producers, consumers, decomposers, and the environment.
Password Round 2
photosynthesis combustion respirationNitrogen fixation
lightning carbon bacteria
nitrogen decomposition
Plant roots
Password Round 2
Competition Predation AutotrophHabitat
Parasitism Commensalism Mutualism
Heterotroph Limiting
Factor
Symbiosis
Password Round 3
Run-off OmnivoreLimiting
Factor
Condensation
Parasitism Food Web Decomposer
photosynthesis Commensalism
Nitrogen
Fixation
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