food energy through ecosystems - blanks · 1 energy flow in an ecosystem 2 energy flow •energyin...
TRANSCRIPT
![Page 1: Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin an ecosystem originally _____ •Energy flows through Ecosystems from _____ –Producers(make](https://reader034.vdocuments.mx/reader034/viewer/2022050718/5e177d21fcc860633946a105/html5/thumbnails/1.jpg)
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
![Page 2: Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin an ecosystem originally _____ •Energy flows through Ecosystems from _____ –Producers(make](https://reader034.vdocuments.mx/reader034/viewer/2022050718/5e177d21fcc860633946a105/html5/thumbnails/2.jpg)
5
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)
6
Photoautotroph
Producer That Captures Energy from the sun by:– Photosynthesis
•Adds _______ to the atmosphere•Removes __________from the Atmosphere
Algae
7
• On Land
–_________
• In The Sea
–__________
• Tidal Flats & Salt Marshes
–_________________
Habitat of Photoautotrophs
8
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)
![Page 3: Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin an ecosystem originally _____ •Energy flows through Ecosystems from _____ –Producers(make](https://reader034.vdocuments.mx/reader034/viewer/2022050718/5e177d21fcc860633946a105/html5/thumbnails/3.jpg)
9
Tube Worms living in Black Smoker
10
Consumers
Heterotrophs eat other organisms to obtain energy. (e.g. animals)
• Herbivores
–Eat Only Plants
• Carnivores
–______________
____________
11
Consumers
Heterotrophs eat other organisms to obtain energy.
• Omnivores (Humans)– __________________________
• Detritivores (____________)– Feed On Dead Plant & Animal Remains (buzzards)
• Decomposers– _____________________
12
Feeding Relationships
Energy flows through an ecosystem in ___ direction
from ________ to various levels of __________
![Page 4: Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin an ecosystem originally _____ •Energy flows through Ecosystems from _____ –Producers(make](https://reader034.vdocuments.mx/reader034/viewer/2022050718/5e177d21fcc860633946a105/html5/thumbnails/4.jpg)
13
Feeding Relationships
• Food Chain–Simple Energy path through an ecosystem
• Food Web–______________path through an ecosystem made of many food chains
14
Food Chain
Producer (trapped sunlight & stored food)
1st order Consumer
2nd Order Consumer
3rd
Order consumer 4th Order
Consumer
15
Name the Producer, Consumers & Decomposers in this food
chain:
16
![Page 5: Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin an ecosystem originally _____ •Energy flows through Ecosystems from _____ –Producers(make](https://reader034.vdocuments.mx/reader034/viewer/2022050718/5e177d21fcc860633946a105/html5/thumbnails/5.jpg)
17
Food Web
18
19
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
20
Trophic Levels
• ___________/___________
–Make Up The Remaining Trophic Levels
Each level depends on the one below it for energy.
![Page 6: Food Energy through Ecosystems - blanks · 1 Energy Flow in an Ecosystem 2 Energy Flow •Energyin an ecosystem originally _____ •Energy flows through Ecosystems from _____ –Producers(make](https://reader034.vdocuments.mx/reader034/viewer/2022050718/5e177d21fcc860633946a105/html5/thumbnails/6.jpg)
21
Ecological Pyramids
Graphic Representations Of The Relative Amounts of Energy or Matter At Each Trophic Level
May be:
________ Pyramid
_________Pyramid
Pyramid of Numbers
22
Energy Pyramid
23
Biomass Pyramid
24
Pyramid of Numbers