The Flow of Energy Through Ecosystems - calrecycle.ca.gov · I The Flow of Energy Through...
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California Education and the Environment InitiativeVisual Aids
The Flow of Energy Through Ecosystems
Science Standard 4.2.b.
4
California Education and the Environment InitiativeApproved by the California State Board of Education, 2010
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Lesson 1 Life in a Marine Ecosystem
1 Humboldt Squid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Producer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Lesson 2 In Ecosystems Everywhere…
Visual Aids
3 Marine Organisms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Lesson 3 Eat or Be Eaten
4 Marine Ecosystem Food Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Lesson 4 Changing the Web
5 Range of the Humboldt Squid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Lesson 5 Changing the Web Means Changing the System
6 Terrestrial Food Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Contents
2 CALIFORNIA EduCATION ANd THE ENVIRONMENT INITIATIVE I Unit 4.2.b. I The Flow of Energy Through Ecosystems I Visual Aids
Humboldt Squid
Visual Aid 1
VA #1 Humboldt Squid
head and eyes
eight arms with suckers at each end
tentacles with barbed suckers
CALIFORNIA EduCATION ANd THE ENVIRONMENT INITIATIVE I Unit 4.2.b. I The Flow of Energy Through Ecosystems I Visual Aids 3
VA #2 Producer
Producer
Visual Aid 2
Energy
Energy
Energy
This plant is a producer because it makes its own food from the Sun’s energy and other nutrients.
4 CALIFORNIA EduCATION ANd THE ENVIRONMENT INITIATIVE I Unit 4.2.b. I The Flow of Energy Through Ecosystems I Visual Aids
FiletailCatshark
SeaUrchin
Mollusk
Shrimp
Orca
Seal
Krill
Kelp
Green Algae
RedAlgae
Anchovy
AnimalPlankton
Pacific Hake
Plant Plankton
Sardine
Lanternfish
Humbolt Squid
PacificMackerel
VA #3 Marine Organisms
Marine Organisms
Visual Aid 3
Note: Not drawn to scale.
CALIFORNIA EduCATION ANd THE ENVIRONMENT INITIATIVE I Unit 4.2.b. I The Flow of Energy Through Ecosystems I Visual Aids 5
VA #4 Marine Ecosystem Food Web
Marine Ecosystem Food Web
Visual Aid 4
orca
lanternfish
Humboldt squid
krill
anchovy
marlin
sardine
plant plankton
seal
Pacific hake
Pacific mackerel
shrimp
mollusks
Sun
animal plankton
6 CALIFORNIA EduCATION ANd THE ENVIRONMENT INITIATIVE I Unit 4.2.b. I The Flow of Energy Through Ecosystems I Visual Aids
EQUATOR
N
S
EW
MILES
0 500 1000
1984
2001
2005
KEY
SOUTHPACIFICOCEAN
NORTHPACIFICOCEAN
NORTHATLANTIC
OCEAN
SOUTHATLANTIC
OCEAN
SOUTH AMERICA
NORTHAMERICA
CENTRALAMERICA
VA #5 Range of the Humboldt Squid
Range of the Humboldt Squid
Visual Aid5
CALIFORNIA EduCATION ANd THE ENVIRONMENT INITIATIVE I Unit 4.2.b. I The Flow of Energy Through Ecosystems I Visual Aids 7
VA #6 Terrestrial Food Web
Terrestrial Food Web
Visual Aid6
skunk owl hawk
chipmunk
mouse snaketoad
spiderdeer
green plants
insects
plant plankton
animal plankton
fish
water insects
coyote
POnd
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