
7th POE- Energy Flow in Ecosystems Day 2
Presentation
•
Science
•
8th Grade
•
Practice Problem
•
Medium
+8
Standards-aligned
Tyanna Bailey
Used 2+ times
FREE Resource
8 Slides • 8 Questions
1
2
1. Grab four notecards
2. Word on the FRONT
3. Definitions on the BACK
4. Add to the back with the notecards from yesterday
3
1. Food Chain- shows how energy moves through the ecosystem when one organism eats another organism.
2. Trophic level- each organism in the food chain represents a transfer of energy
3. Food webs- all the possible energy transfers. Basically all the food chains in a community linked together
4. Ecological pyramid- a diagram that shows the amount of energy at each trophic level.
4
5
6
Multiple Choice
Food Chain-
shows how energy moves through the ecosystem when one organism eats another organism.
Does not show how energy moves through the ecosystem when one organism eats another organism.
Occasionally shows how energy moves through the ecosystem when one organism eats another organism.
7
Multiple Choice
Trophic level-
each organism in the food chain represents a transfer of energy
some organism in the food chain represents a transfer of energy
each organism in the food web represents a transfer of energy
8
Multiple Choice
Food webs-
all the possible energy transfers. Basically all the food chains in a community linked together
all the possible energy transfers. Basically all the food chains in a population linked together
all the possible energy transfers. Basically all the food chains in a biome linked together
9
Multiple Choice
Ecological pyramid-
a diagram that shows the amount of energy at each trophic level.
a diagram that shows the amount of energy at each ecosystem level.
a diagram that shows the amount of energy at each community level.
10
FOR YOUR MINI POSTER PROJECT YOU WILL:
1. IDENTIFY THE NUMBER ONE SOURCE OF ENERGY ON EARTH
2. PRODUCERS
3. PRIMARY CONSUMERS
4. SECONDARY CONSUMERS
5. TERTIARY CONSUMERS
6. DECOMPOSERS
7. FOOD CHAIN
11
12
Multiple Choice
Food Chain-
shows how energy moves through the ecosystem when one organism eats another organism.
Does not show how energy moves through the ecosystem when one organism eats another organism.
Occasionally shows how energy moves through the ecosystem when one organism eats another organism.
13
Multiple Choice
Trophic level-
each organism in the food chain represents a transfer of energy
some organism in the food chain represents a transfer of energy
each organism in the food web represents a transfer of energy
14
Multiple Choice
Food webs-
all the possible energy transfers. Basically all the food chains in a community linked together
all the possible energy transfers. Basically all the food chains in a population linked together
all the possible energy transfers. Basically all the food chains in a biome linked together
15
Multiple Choice
Ecological pyramid-
a diagram that shows the amount of energy at each trophic level.
a diagram that shows the amount of energy at each ecosystem level.
a diagram that shows the amount of energy at each community level.
16
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