What organisms are producers in the food web and how do you know? Starter: Pre-Test Explain what you know about each of the following relationships: producer/consumer predator/prey parasite/host 3/16/ /16/2015 Application: Notes glue here when done Connection Tree Chart Exit : Food Webs/Chains Food webs/Chains Practice Relationship

March 16, 2015 AGENDA Objective 8.11 A I can describe relationships as they occur in food webs by reading and writing while completing notes. 1.Starter 2.Practice 3. Notes 4. Connection/Exit

My Table of Contents

Practice 1.An animal the eats only meat.carnivoreherbivore 2. This organism makes nutrients available for producers to reuse by breaking down decaying matter. decomposerproducer 3. An organism that cannot makes its own food. producerconsumer 4. An animal the eats only plants.omnivoreherbivore 5. A ______ ______ shows one possible pathway for energy. Food webfood chain

6. An organism that makes food from the sun. producerconsumer 7. An animal the eats meat or plants. carnivoreomnivore 8. The natural world that surrounds an organism is called the organism’s: energyenvironment 9. A ______ ______ shows many possible pathways for energy. Food webfood chain 10. The source of energy for almost all life on Earth is sunlightwater

11. An example of a biotic factor in a forest ecosystem is: waterfalla tree 12. An example of a biotic factor in a pond ecosystem is: temperaturefish 13. An example of a producer is a: mosscaterpillar 14. This is a/n ______. energy pyramid Food chain 15. In an energy pyramid, the lowest level has the __?__ energy. mostleast

Practice Answers 1.An animal the eats only meat.carnivoreherbivore 2. This organism makes nutrients available for producers to reuse by breaking down decaying matter. decomposerproducer 3. An organism that cannot makes its own food. producerconsumer 4. An animal the eats only plants.omnivoreherbivore 5. A ______ ______ shows one possible pathway for energy. Food webfood chain

6. An organism that makes food from the sun. producerconsumer 7. An animal the eats meat or plants. carnivoreomnivore 8. The natural world that surrounds an organism is called the organism’s: energyenvironment 9. A ______ ______ shows many possible pathways for energy. Food webfood chain 10. The source of energy for almost all life on Earth is sunlightwater

11. An example of a biotic factor in a forest ecosystem is: waterfalla tree 12 An example of a biotic factor in a pond ecosystem is: temperaturefish 13. An example of a producer is a: mosscaterpillar 14. This is a/n ______. energy pyramid Food chain 15. In an energy pyramid, the lowest level has the __?__ energy. mostleast

The Sun The sun is the primary source of energy for most living things. The energy flows through nature through the food chain.

The Food Chain There are three main parts to most food chains

A. Producers-Plants The sun provides energy to the producers. Producers use the sun to create their own source of food or nutrients. Producers (and consumers) also need water, air and certain climates to survive. Producers (plants) are the primary source of matter and energy in most food chains.

B. Consumers- Animals Primary consumers (herbivores) get their energy and matter directly from plants (producers). Secondary consumers (carnivores) get their energy and matter from eating the primary consumers. Tertiary consumers (carnivores) get their energy and matter from eating secondary consumers. Omnivores eat plants and animals so they can be more than one level of consumer (Humans belong in this category)

C. Decomposers-bacteria and fungi Decomposers are mostly bacteria or fungi like mold, mildew and mushrooms. They feed on the tissues of dead organisms (producers or consumers) and return or recycle gases and nutrients to the environment.

FOOD CHAIN The flow of energy and matter in nature nutrients

D. Food Chain: ONLY ONE source of food Less stable

E. Food Web: More than one choice of food Several food chains linked together More stable

F. Energy moves through ecosystems in food chains, passing from photosynthesizes (producers) to herbivores (consumers) to carnivores(consumers) creating a food web.

G. The energy that is transferred between trophic levels transfers only 10 percent of its energy into the next trophic level 10% energy transfer

10% of the energy is passed on as biomass 90% is Lost as Waste Or Used for Reproduction of molecules of organism of next level

Trophic levels do have limits. For example: Transfer of energy from level to level is inefficient

Exit What organisms are producers in the food web and how do you know?

Starter: Pre-Test Explain what you know about each of the following relationships: producer/consumer predator/prey parasite/host 3/16/ /16/2015 Application: Notes glue here when done Connection Tree Chart Exit : Food Webs/Chains Food webs/Chains Practice Relationship