© 2013 pearson education, inc. figure 6.19 energy flow in a grassland ecosystem (step 5) 4th...
TRANSCRIPT
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© 2013 Pearson Education, Inc.Figure 6.19 Energy Flow in a Grassland Ecosystem (step 5)
4th trophic levelTertiary consumers
1st trophic levelPrimary producers
Energyfrom the
sun
2nd trophic levelPrimary consumers
3rd trophic levelSecondary consumers
DecomposersOrganisms thatfeed on nonlivingorganic matter
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Nutrition terms
• Autotrophic=producing own food such as plants
• Heterotrophic =eats preformed organic material (contains carbon in covalent linkage)
• Saprotrophic=absorb nutrients from dead organisms (fungi and bacteria)
• Chemosynthetic=getting energy from the oxidation of hydrogen sulfide gas (H2S)
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NUTRITION
• OMNIVORE-EATS PLANTS AND ANIMALS• HERBIVORE-EATS PLANTS• CARNIVORE-EATS MEAT
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http://www.youtube.com/watch?v=BLOUFrncG7E
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Nutrition
• Herbivore=eats plants • Carnivore=eats meat• Omnivore =eats both plants and animals
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ECOSYSTEMS
• LIVING AND NONLIVING TOGETHER• LIVING-PLANTS, ANIMALS, BACTERIA,FUNGI• NONLIVING-
AIR,LAND,GRAVITY,ROCKS,TEMPERATURE, ETC.• BIOTIC=LIVING• ABIOTIC=NONLIVING