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3.1 Energy Flow in Ecosystem Mrs. Trimble Mrs. Perryman
Photosynthesis Life depends on the sun Requires: Carbon dioxide and water Produces: glucose, oxygen and releases some water
Cellular Respiration The process of cells breaking down food to yield energy Requires: Glucose and oxygen Produces: Energy,Carbon dioxide and water.
They need each other
Feeding Relationships Producers (Autotrophs)- Plants Consumers (Heterotrophs)- organisms that get their food by consuming other organisms
Types of Consumers Herbivore- eats plants Carnivore- eats animals Omnivore- eats both plants and animals Decomposer- breaks down dead organisms in an ecosystem, returning them to nature
Energy Transfer Food Chain- sequence in which energy is transferred from one organism to the next
Energy Transfer Food Web- shows many feeding relationships
Biomass Pyramid Trophic Level- each step in the energy trophic level Producers Primary Consumers/ Herbivore Secondary Consumer/ Consumers
Energy Loss within an ecosystem 90% of the energy at each level is due to normal daily activity. Only 10% of the biomass is passed onto the next level. 10,000 g/m2 1,000g/m2 100 g/m2
Now Let’s Practice!
Biomass Pyramid/ Laws of Conservation of Energy. Why do the laws of Thermodynamics matter? The laws of thermodynamics are important unifying principles.
Energy Flow Through an Ecosystem Food Chains, Food Webs, Energy Pyramids copyright cmassengale1.
Section 1: Energy Flow in Ecosystems
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5-1 Energy Flow in Ecosystems Page 117. A. Life Depends on the Sun 1. Organisms use sunlight to make sugar by the process of photosynthesis.
Energy Flows Through Ecosystems Sun: Makes all energy on Earth. Producers: Make their own food. Consumers: Get their food by eating other organisms. Decomposers:
Chapter 3: How Ecosystems Work Section 3.1: Energy Flow in Ecosystems.
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Energy Flow Page 65 of INB. Essential Question: How does energy flow in an ecosystem?
Bell Ringer What does an organism need to survive? Where does life on earth begin? Can you think of life that does not begin with the sun?
VocabCycles Energy Flow Chains, Webs and Pyramids TeamworkPotpourri
Energy flow in the Ecosystem. Energy 1 st law of thermodynamics – energy can not be created or destroyed, only transformed from one form to another.
1 Energy Flow Through an Ecosystem Food Chains, Food Webs, Energy Pyramids.
Section 5-1: Energy Flow in an ecosystem. Objectives: Describe how energy is transferred from the sun to producers and then to consumers. Describe one.
Where does the flow of energy in an ecosystem begin? The sun provides the radiant energy necessary for all the organisms in an ecosystem. Autotrophs (or.
How Ecosystems Work Energy Flow in Ecosystems. Objectives 5 things you should know 1.Be able to describe how energy is transferred from the sun to producers.
Energy Flow through an Ecosystem
Energy Flow Through an Ecosystem
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