What Would Happen If …

By: Grace and Cassidy

1 Element of a Food Web Disappeared?

Tadpoles

Fish Snail

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• Newts and snails would have less competition

for food, might lead to over populated

Back

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!!!!!!

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

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

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

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!!

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

Thanks for watching Grace and Casey’s slide show!!

Grace and Casey’s Video

• http://mindflight.plymouth.edu/blog/eco2009/2009/07/24/575/