what would happen if …
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What Would Happen If …. By: Grace and Cassidy. 1 Element of a Food Web Disappeared?. Tadpoles. Snail. Fish. Pick One. If the Tadpoles Disappeared…. No more frogs in the pond Reeds, grass, algae and bladderwort would be left to snails and newts Plants would start to overpopulate - PowerPoint PPT PresentationTRANSCRIPT
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What Would Happen If …
By: Grace and Cassidy
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1 Element of a Food Web Disappeared?
Tadpoles
Fish Snail
Pick One
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If the Tadpoles Disappeared…
• No more frogs in the pond• Reeds, grass, algae and bladderwort would be
left to snails and newts• Plants would start to overpopulate• Newts and snails would have less competition
for food, might lead to over populated
Back
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If the Fish Disappeared…
• No we don’t means Dillion’s kind of fish!(Rocks)
• The birds suffer from lack of food• All insects would become over populated• Bird would have less competition for insect
food
Back
Blub blub!!!!!!
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If Snails Disappeared…
• Reeds an Grass would keep growing an surround the pond
• Red spotted newts would disappear because lack of food
• The pond would get covered with bacteria Previously eaten by snails
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Birds Large Fish Frog
Dragonfly Red Spotted Newt Dragonfly Damselfly Damselfly Water Strider Water Scorpion Larva Larva
Mosquito Crayfish Tadpole Snail Small Fish
Algae Grass Reeds Bladderwort
Zooplankton
Pond FoodWeb
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Trophic Levels & Energy Pyramid
•10% Of EnergyLost In Each Level
1 unit
10 units
100 units
1000 units
ENERGY LEVELS
Primary ProducersBladderwort, reeds, algae, grass
Primary ConsumersDamselfly Larva, Dragonfly Larva, Tadpole, Crayfish, Water Scorpion, Snail, Zooplankton, Water Strider
Secondary ConsumersDragonfly Larva, Damselfly Larva, Frog, Red Spotted Newt, Fish
Final ConsumersBird, Larger Fish, Water Scorpion
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The good times with Grace and Casey
What a big group im calling u guys my la famila
aka my family!
Cassidy’s
mind
flight
eco
picture
page
Miss u all!!
Text it!!
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Thanks for the pics• foreignpolicy.com/files/images/bird.jpg
• library.thinkquest.org
• animals.howstuffworks.com
• flickr.com
• bugguide.net
• whatsthatbug.com
• cirrusimage.com
• myanimalblog.wordpress.com
• anchor-ramblers.com
• momgoesgreen.com
• troutnut.com
• dnr.state.wi.us
• chazylakekings.wordpress.com • librodesombrasbookofshadows.wordpress.com • freemosquitoringtone.org
• okstate.edu
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Thanks for watching Grace and Casey’s slide show!!
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Grace and Casey’s Video
• http://mindflight.plymouth.edu/blog/eco2009/2009/07/24/575/