FOOD CHAINS WEBS the ultimate energy source Energy
![FOOD CHAINS & WEBS FOOD CHAINS & WEBS](https://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-1.jpg)
FOOD CHAINS & WEBS
![the ultimate energy source the ultimate energy source](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-2.jpg)
the ultimate energy source
![Energy Flow in Ecosystems Energy flows from where into the biological world? Energy Flow in Ecosystems Energy flows from where into the biological world?](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-3.jpg)
Energy Flow in Ecosystems Energy flows from where into the biological world?
![Energy Flow • How does the sun’s energy enter the biological world? • What Energy Flow • How does the sun’s energy enter the biological world? • What](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-4.jpg)
Energy Flow • How does the sun’s energy enter the biological world? • What is photosynthesis?
![Energy Flow • The sun’s energy flows into organisms that can change the sunlight Energy Flow • The sun’s energy flows into organisms that can change the sunlight](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-5.jpg)
Energy Flow • The sun’s energy flows into organisms that can change the sunlight into food then into organisms that eat them. • This flow is: sunlight producer consumer 1 consumer 2
![Word to Know co r e uc d o pr e r o v Word to Know co r e uc d o pr e r o v](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-6.jpg)
Word to Know co r e uc d o pr e r o v i b r e h nsu omnivore me r detritivore car n autotroph ivor e s o omp dec hetero troph
![PRODUCERS • What are producers? • Autotrophs that trap solar energy into organic molecules PRODUCERS • What are producers? • Autotrophs that trap solar energy into organic molecules](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-7.jpg)
PRODUCERS • What are producers? • Autotrophs that trap solar energy into organic molecules during photosynthesis; can produce their own food • Ex. Plants, algae and some bacteria `` sunlight producer consumer 1 consumer 2
![CONSUMERS • What are consumers? • Heterotrophs that eat other organisms to obtain energy CONSUMERS • What are consumers? • Heterotrophs that eat other organisms to obtain energy](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-8.jpg)
CONSUMERS • What are consumers? • Heterotrophs that eat other organisms to obtain energy • Examples: deer, rabbits, cows, mice, lions, humans, hawks, snakes sunlight producer consumer 1 consumer 2
![HERBIVORES • What are herbivores? • Organisms that eat plants • Primary Consumers • HERBIVORES • What are herbivores? • Organisms that eat plants • Primary Consumers •](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-9.jpg)
HERBIVORES • What are herbivores? • Organisms that eat plants • Primary Consumers • Ex. Cows, caterpillars, bunnies sunlight producer consumer 1 consumer 2
![CARNIVORES • What are carnivores? • Organisms that eat meat (other animals/consumers) • Secondary CARNIVORES • What are carnivores? • Organisms that eat meat (other animals/consumers) • Secondary](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-10.jpg)
CARNIVORES • What are carnivores? • Organisms that eat meat (other animals/consumers) • Secondary Consumers • Ex. tigers, wolves, snakes, hawks sunlight producer consumer 1 consumer 2
![TOP CARNIVORES • What is a top-level carnivore? • Top-level carnivores eat secondary consumers; TOP CARNIVORES • What is a top-level carnivore? • Top-level carnivores eat secondary consumers;](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-11.jpg)
TOP CARNIVORES • What is a top-level carnivore? • Top-level carnivores eat secondary consumers; usually nothing feeds on them • Ex. killer whale eating a sea lion or hawk eating a snake. consumer 3 sunlight producer consumer 1 consumer 2
![OMNIVORES • What are omnivores? • Consumers that eat both plants and animals • OMNIVORES • What are omnivores? • Consumers that eat both plants and animals •](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-12.jpg)
OMNIVORES • What are omnivores? • Consumers that eat both plants and animals • Primary and Secondary Consumers • Ex. bears and humans
![Where do all the dead things go? • They are eaten. YUMMMM! i r Where do all the dead things go? • They are eaten. YUMMMM! i r](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-13.jpg)
Where do all the dead things go? • They are eaten. YUMMMM! i r t e d o v ti re • They decay. SMELLY! dec om pos er
![Detritivore vs Decomposers • Detritivores and decomposers both feed on the remains of dead Detritivore vs Decomposers • Detritivores and decomposers both feed on the remains of dead](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-14.jpg)
Detritivore vs Decomposers • Detritivores and decomposers both feed on the remains of dead plants and animals and other dead matter (detritus) • They rely on dead tissues for nutrients. detritivore decomposer
![Detritivore vs Decomposers • Detritivores eat the remains of dead plants and animals Crabs, Detritivore vs Decomposers • Detritivores eat the remains of dead plants and animals Crabs,](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-15.jpg)
Detritivore vs Decomposers • Detritivores eat the remains of dead plants and animals Crabs, mites, earthworms, snails • Decomposers breakdown (decay) organic matter and feed on it Bacteria & fungi
![Detritivore vs Decomposers • What is a scavenger? • A scavengers is a type Detritivore vs Decomposers • What is a scavenger? • A scavengers is a type](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-16.jpg)
Detritivore vs Decomposers • What is a scavenger? • A scavengers is a type of detritivore that feeds on carrion (dead animal remains). Ex. vultures, sharks, maggots, hyenas
![Detritivore vs Decomposers • Why would they be called the environmental “recyclers”? • They Detritivore vs Decomposers • Why would they be called the environmental “recyclers”? • They](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-17.jpg)
Detritivore vs Decomposers • Why would they be called the environmental “recyclers”? • They decompose excrement, dead bodies and leaf litter, returning nutrients to the physical environment. decomposer sunlight producer consumer 1 consumer 3 consumer 2
![Energy Flow • The series of steps in which organisms transfer energy by eating Energy Flow • The series of steps in which organisms transfer energy by eating](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-18.jpg)
Energy Flow • The series of steps in which organisms transfer energy by eating and being eaten is called a Food Chain sunlight producer consumer 1 consumer 2
![Food Chains & Food Webs • The steps in the transfer of energy from Food Chains & Food Webs • The steps in the transfer of energy from](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-19.jpg)
Food Chains & Food Webs • The steps in the transfer of energy from organism to organism in feeding relationships are called Trophic Levels. • How does a food chain describe this path of energy? (arrows) producer consumer 1 consumer 2 consumer 3
![Food Chains & Food Webs • Name the number of the trophic levels in Food Chains & Food Webs • Name the number of the trophic levels in](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-20.jpg)
Food Chains & Food Webs • Name the number of the trophic levels in the food chain below. • How do the trophic level numbers correspond with the “eating terms”? producer Trophic Level 1 consumer 1 2 consumer 3 3 4
![Food Chains & Food Webs • What important energy transfer is not shown in Food Chains & Food Webs • What important energy transfer is not shown in](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-21.jpg)
Food Chains & Food Webs • What important energy transfer is not shown in a food chain? • Why is it that some energy is lost from one level to the next level? • How much energy is actually passed on to the next level? (rule of thumb) producer consumer 1 consumer 2 consumer 3
![Food Chains & Food Webs • What vital “recycler” is not shown in this Food Chains & Food Webs • What vital “recycler” is not shown in this](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-22.jpg)
Food Chains & Food Webs • What vital “recycler” is not shown in this food chain? • Upon which organism(s) would it feed? decomposer producer consumer 1 consumer 2 consumer 3
![Food Chains & Food Webs • If all of the snakes in this chain Food Chains & Food Webs • If all of the snakes in this chain](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-23.jpg)
Food Chains & Food Webs • If all of the snakes in this chain died, what would happen to the hawk? • To the decomposers? decomposer producer consumer 1 consumer 2 consumer 3
![Food Chains & Food Webs • Most organisms feed on more than one trophic Food Chains & Food Webs • Most organisms feed on more than one trophic](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-24.jpg)
Food Chains & Food Webs • Most organisms feed on more than one trophic level and feed on several different species at each trophic level. This is a food web.
![Antarctic Food Web Antarctic Food Web](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-25.jpg)
Antarctic Food Web
![Making a Food Web • Use these organisms for Food Chains and Food Web Making a Food Web • Use these organisms for Food Chains and Food Web](http://slidetodoc.com/presentation_image/28245d1dfc167dcb95482648ce1a4ff6/image-26.jpg)
Making a Food Web • Use these organisms for Food Chains and Food Web Practice worksheet.
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