Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin...
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1 Energy Flow in an Ecosystem 2 Energy Flow • Energy in an ecosystem originally _____________________ • Energy flows through Ecosystems from ____________________ – Producers (make food) – Consumers (use food by eating producers or other consumers) 3 Producers • ______ is the main source of energy for ______ life on earth. • Producers contain _________ & can use energy directly from the sun 4 Autotrophs • An Autotroph is any organism that ____________________ supply! • Autotrophs are also called ______________ • Plants, algae, some protists, & some bacteria are examples
Transcript of Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin...
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Energy Flow in an Ecosystem
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Energy Flow
• Energy in an ecosystem originally _____________________
• Energy flows through Ecosystems from ____________________
– Producers (make food)
–Consumers (use food by eating producers or other consumers)
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Producers
• ______ is the main source of energy for ______ life on earth.
• Producers contain _________ & can use energy directly from the sun
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Autotrophs
• An Autotroph is any organism that ____________________ supply!
• Autotrophs are also called ______________
• Plants, algae, some protists, & some bacteria are examples
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Niche of a Producer
• ______________and transforms it into organic, stored energy for the use of living organisms.
• May be _______________ using light energy (e.g. plants)
• May be _______________ using chemical energy (e.g. cyanobacteria)
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Photoautotroph
Producer That Captures Energy from the sun by:– Photosynthesis
•Adds _______ to the atmosphere•Removes __________from the Atmosphere
Algae
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• On Land
–_________
• In The Sea
–__________
• Tidal Flats & Salt Marshes
–_________________
Habitat of Photoautotrophs
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Chemoautotrophs
• Capture energy from the bonds of inorganic molecules such as _________________
• Process is called ________________
• Often occurs in deep sea vents or gut of animals Called a Black
smoker (thermal vent)
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Tube Worms living in Black Smoker
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Consumers
Heterotrophs eat other organisms to obtain energy. (e.g. animals)
• Herbivores
–Eat Only Plants
• Carnivores
–______________
____________
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Consumers
Heterotrophs eat other organisms to obtain energy.
• Omnivores (Humans)– __________________________
• Detritivores (____________)– Feed On Dead Plant & Animal Remains (buzzards)
• Decomposers– _____________________
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Feeding Relationships
Energy flows through an ecosystem in ___ direction
from ________ to various levels of __________
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Feeding Relationships
• Food Chain–Simple Energy path through an ecosystem
• Food Web–______________path through an ecosystem made of many food chains
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Food Chain
Producer (trapped sunlight & stored food)
1st order Consumer
2nd Order Consumer
3rd
Order consumer 4th Order
Consumer
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Name the Producer, Consumers & Decomposers in this food
chain:
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Food Web
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Trophic Levels
Each Level In A Food Chain or Food Web is a Trophic Level.
• _____________
–Always The First Trophic Level
–How Energy Enters The System
• _____________
–Second Trophic Level
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Trophic Levels
• ___________/___________
–Make Up The Remaining Trophic Levels
Each level depends on the one below it for energy.
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Ecological Pyramids
Graphic Representations Of The Relative Amounts of Energy or Matter At Each Trophic Level
May be:
________ Pyramid
_________Pyramid
Pyramid of Numbers
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Energy Pyramid
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Biomass Pyramid
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Pyramid of Numbers
