Sun Chemical Energy Light Travels to Earth Light Energy Most of Light Energy goes into space or does not hit a plant. It is out there but not useful to us.

DEF: PRIMARY PRODUCERS n Plants n Convert sunlight to glucose (sugar) n PHOTOSYNTHESIS n All life on earth is dependent on them.

Sun Chemical Energy Light Travels to Earth Light Energy Primary Producers Chemical Energy

DEF: HERBIVORES Animals that EAT PLANTS for their energy.

Another example of an Herbivore...

Herbivore Chemical Energy in body Thermal Energy* Floats Off Into Space *Animal uses energy to move (lost as friction) or to keep warm (heat goes off into space) – all of that energy is hard to use ever again – ENERGY FLOWS

CARNIVORES! n Well, they are all not dangerous. n ANIMALS that EAT OTHER ANIMALS to obtain energy.

Herbivore Chemical Energy in body Thermal Energy* Floats Off Into Space *Animal uses energy to move (lost as friction) or to keep warm (heat goes off into space) – all of that energy is hard to use ever again – ENERGY FLOWS Carnivores

Energy is Flowing through from level to level – most of it is lost as it floats into space.

Only 10% of usable energy flows onto the next level. n Thus, the higher on the pyramid you are… n The less efficient is your eating. n It takes a lot plants to feed the insects and rodents to feed a hawk.

Upper Carnivores You know what I am talking about. LIONS, TIGERS, AND BEARS.

Oh My!

Last in the chain – DEF: DECOMPOSERS n They recycle materials n THEY EAT DEAD ORGANISMS to obtain their energy. n Mushrooms n Buzzards n Oh My!

Ecosystem Pyramid

Consider this choice: n 1) You can eat 1 pound of fruits and vegetables or n 2) You can eat one pound of hamburger. n CONSIDER: It takes ten or more pounds of vegetables to make that one pound of hamburger.

Haiku For a cow to live Thousand pounds of plants must DIE Vegetarian Energy Floats Up Not much left when you eat meat Many plants must die

Copy and Answer this question and then make a pyramid Haiku. n The ecosystem pyramid has a wide bottom and small top because _______. n HAIKU is 5 – 7 – 5. n And/or a bumper sticker describing why you can help the world if you eat less red meat.