
Energy Flow in Ecosystems
Presentation
•
Biology
•
6th - 8th Grade
•
Hard
James Gonzalez
FREE Resource
16 Slides • 24 Questions
1
2
Explain the difference between food chains and food webs.
Make predictions about factors affecting plants and animal populations.
Analyze and evaluate changes in a food chain.
3
Multiple Choice
4
Multiple Choice
5
food chains
food webs
energy pyramid
producer
consumer
primary consumer
secondary consumer
tertiary consumer
6
7
8
9
Fill in the Blanks
Once the highest consumer dies, a
10
Multiple Choice
What is the primary source of energy for all Producers?
Snickers
Water
Sun
Oxygen
11
12
Multiple Choice
13
Multiple Choice
What is a food chain?
The flow of energy from one organism to another.
The order in which you eat your lucky charms.
The line of cooks in the cafeteria.
The method in which plants grow.
14
15
16
17
18
19
Food Webs show all the Food Chains together within a specific ecosystem.
20
Multiple Choice
21
Multiple Choice
population
22
Multiple Choice
a system of food chains that shows the transfer of energy is termed
23
Multiple Choice
All energy transfers in an ecosystem begin with
24
Open Ended
Name a Producer in this Food Web.
25
Open Ended
Name TWO consumers that feed on Pallid-winged grasshoppers.
26
Open Ended
What could the impact be if all of the grasshopper mice and wood rats died from a random disease?
27
28
Multiple Choice
Non-living factors are
Abiotic
Biotic
29
30
Multiple Choice
Living factors are
Abiotic
Biotic
31
Categorize
Kangaroo
Tree
Grass
Frog
Mushroom
Fish
Sun
Rock
Water
Air
Sediments
32
Multiple Choice
The SUN is an example of a(n)....
Abiotic Factor
Biotic Factor
33
Fill in the Blanks
In food webs and food chains, arrows show the flow of...
34
Multiple Choice
A TREE is an example of a(n)....
Abiotic Factor
Biotic Factor
35
Match
Match the following
Food Web
Food Chain
FLOW OF ENERGY
Food Web
Food Chain
FLOW OF ENERGY
36
Multiple Choice
WATER is an example of a(n)....
Abiotic Factor
Biotic Factor
37
38
Multiple Choice
Based on the food web, what would happen to the grain population if the mice were removed?
It would increase, because there is one less population eating it.
It would decrease, because there is one less population eating it.
It would decrease, because there is another population eating it.
39
Multiple Choice
Based on the food web, what species population would most likely increase if there were no more owls?
Grass
Mice
Rabbit
Grain
40
Multiple Choice
Based on the food web, what species population would most likely decrease if there was an influx (more) of foxes in the area?
Grass
Mice
Rabbit
Grain
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