Chapter 3

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MONDAY 9-22-14
• LO: Understand the different levels of organization in living
systems
• ET:
• WHAT IS ECOLOGY?
PLAN OF THE DAY
• LIVING THINGS WRAP-UP
• UNTAMED VIDEO – WHAT DO BIOLOGISTS DO?
• CORNEL NOTES REVIEW
• START UNIT 2 – ECOLOGY
CHARACTERISTICS OF LIVING THINGS
• IN YOUR GROUP, READ THE CHARACTERISTICS OF LIVING THINGS
SUMMARY (PAGES 18-19). ALTERNATE READERS FOR EACH
CHARACTERISTIC. READ ALL THE TEXT INSIDE EACH BOX!)
• WHEN DONE READING, DISCUSS HOW THE LIST YOU CREATED FOR FRIDAY’S
ACTIVITY COMPARED TO THE ONE IN THE BOOK
• YOU HAVE 10 MINUTES
• IF FINISHED BEFORE OTHER GROUPS, START WRITING ON YOUR NOTEBOOK
THE CHARACTERISTICS OF LIVING THINGS FROM THE BOOK (BLACK BOLDED
LETTERS IN EACH BOX)
• READ PAGES 20-23 TO YOURSELF
• UNTAMED SCIENCE VIDEO – BIOLOGY, THE STUDY OF LIFE!
• Get a Chapter 3 graphic organizer paper from the front of the
room, cut section 1 and glue in a new page in your notebook
• Title this section on your table of contents: Chapter 3 Learning
Targets
CHAPTER 3 – THE BIOSPHERE
TAKING NOTES - CORNELL
PLAN OF THE DAY
• START UNIT 2 – ECOLOGY
• ORGANIZATION OF LIVING THINGS POSTER
TAKING NOTES - CORNELL
Ecology concepts diagram
Individual organism
Population
Communities
Habitats
Ecosystems
Biosphere
Biotic & abiotic factors
Levels of organization poster
1.Decide on an organism (can be imaginary)
2.Draw a diagram that includes the organism,
a population, a community, an ecosystem,
and the biosphere
3.On the side, list the producers in your
ecosystem, the consumers, the biotic and
abiotic factors affecting your system
4.Identify a food chain of at least four biotic
factors in your diagram (you can draw
arrows to connect them – from producers
to consumers)
Food
Chain
WEDNESDAY 9-25-14
• LO:
• HOW ENERGY MOVES THROUGH AN ECOSYSTEM
• ET:
• WHAT IS THE DIFFERENCE BETWEEN A FOOD CHAIN AND A
FOOD WEB?
PLAN OF THE DAY
• NOTES ON ENERGY TRANSFER THROUGH ECOSYSTEMS
Food
Chains
EXIT TICKET
• EXPLAIN WHICH IS A BETTER MODEL TO REPRESENT ENERGY FLOW
THROUGH AN ECOSYSTEM, A FOOD CHAIN OR A FOOD WEB AND WHY?
WEDNESDAY 9-26-14
• LO:
• DESIGNING FOOD WEBS FROM
DIFFERENT ECOSYSTEMS
• ET:
• WHAT ORGANISMS IN THIS FOOD
WEB WOULD BE MOST AFFECTED IF
THE PALLID-WINGED
GRASSHOPPER DISAPPEARS FROM
THIS CHAPARRAL ECOSYSTEM?
PLAN OF THE DAY
• FOOD WEB CAPTURE
FOOD WEB CAPTURE – 40 PARTICIPATION POINTS!!
• Decide in your group who will be the reader, the spokesperson, the document
controller and the manager for today’s activity
• Your group will create and ‘capture’ on your handout four different websites
• You will have 10 minutes at each station to arrange the organisms on cards, to
connect them with the arrows (think energy flow for the correct direction of the
arrow point!!), and to transfer the completed food web to your handout
• I will come and check your food web before you transfer it to your handout (use
green cup to signal completion)
• EXTRA CREDIT: ON YOUR FOOD WEB CAPTURE, IDENTIFY DIFFERENT TROPHIC LEVELS
(Producers, primary, secondary, tertiary consumers)
MONDAY 9-29-14
• LO:
• DESIGNING FOOD WEBS FROM DIFFERENT ECOSYSTEMS
• ET:
• DRAW (NAMES IS FINE) A FOOD CHAIN FROM ONE OF THE
FOOD WEBS YOU CAPTURED ON FRIDAY WITH AT LEAST
THREE TROPHIC (FOOD) LEVELS
PLAN OF THE DAY
• POP QUIZ ON FOOD WEBS AND FEEDING INTERACTIONS
• FINISH FOOD WEB CAPTURE
TUESDAY 9-30-14
• LO:
• ECOLOGICAL PYRAMIDS
• ET:
PLAN OF THE DAY
• CORRECT QUIZ ON FOOD WEBS AND FEEDING INTERACTIONS
• ECOLOGICAL PYRAMIDS
• START PYRAMID ACTIVITY
Pyramids of Energy
– Organisms expend much of the energy
they acquire on life processes, such as
respiration, movement, growth, and
reproduction.
– Most of the remaining energy is released
into the environment as heat—a
byproduct of these activities.
Pyramids of Energy
– Pyramids of energy show the relative
amount of energy available at each
trophic level.
Pyramids of Energy
– On average, about 10 percent of the
energy available within one trophic level
is transferred to the next trophic level.
– The more levels that exist between a
producer and a consumer, the smaller the
percentage of the original energy from
producers that is available to that
consumer.

Of the light energy that reaches plants and other producers,
only a tiny fraction—about 1 percent—is captured by
photosynthesis.
 Only 10 percent of the energy available at a trophic level is
typically converted to new biomass in the next trophic level.
Pyramids of Biomass and Numbers
– The total amount of living tissue within a
given trophic level is called its biomass.
– The amount of biomass a given trophic
level can support is determined, in part,
by the amount of energy available.
Pyramids of Biomass and Numbers
– A pyramid of biomass illustrates the
relative amount of living organic matter at
each trophic level.
– Typically, the greatest biomass is at the
base of the pyramid, as is seen in the
field ecosystem modeled here.
Pyramids of Biomass and Numbers
– A pyramid of numbers shows the relative number of
individual organisms at each trophic level in an
ecosystem.
WEDNESDAY 10-1-14
• LO:
• TO REPRESENT ECOLOGICAL
PYRAMIDS OF BIOMASS, NUMBERS
AND ENERGY
• ET:
• FILL OUT THE AMOUNT OF ENERGY
THAT WILL BE TRANSFERRED TO
UPPER TROPHIC LEVELS OF THIS
PYRAMID
4,000 Jules
PLAN OF THE DAY
• FINISH PYRAMID ACTIVITY
• FINISH NOTES FOR SECTIONS 3.1, 3.2 AND 3.3
• GO TO PAGE 63 AND ON A SEPARATE PIECE OF PAPER, START
WORKING ON THE CHAPTER MYSTERY (CHANGES IN THE BAY).
GO THROUGH THE CHAPTER AND ANSWER THE CLUES
Energy flows through – Chemicals cycle
Pyramids of Energy
– On average, about 10 percent of the
energy available within one trophic level
is transferred to the next trophic level.
– The more levels that exist between a
producer and a consumer, the smaller the
percentage of the original energy from
producers that is available to that
consumer.

Of the light energy that reaches plants and other producers,
only a tiny fraction—about 1 percent—is captured by
photosynthesis.
 Only 10 percent of the energy available at a trophic level is
typically converted to new biomass in the next trophic level.
Pyramids of Biomass and Numbers
– A pyramid of numbers shows the relative number of
individual organisms at each trophic level in an
ecosystem.
THURSDAY 10-2-14
• LO:
• HOW MATTER CYCLES THROUGH ECOSYSTEMS
• ET: FILL
OUT
PLAN OF THE DAY
• GRADE PYRAMID ACTIVITY
• WATCH THE UNTAMED SCIENCE VIDEO
• WORK ON SECTION 3.4 HANDOUT
• USE YOUR BOOK (SECTION 3.4, PAGES 79-86) TO WORK ON 3.4
HANDOUT QUIETLY AT YOUR TABLE
• YOU CAN LISTEN TO MUSIC
• IF YOU HAVE A QUESTION, YOU CAN QUIETLY CHECK WITH THE PERSON
NEXT TO YOU
• BE READY TO BRING YOUR COMPOSITION NOTEBOOK WHEN I CALL
YOUR NAME
FRIDAY 10-3-14
• LO:
• REVIEWING CONCEPTS FROM CHAPTER 3
• ET:
LOOK AT THE CARBON CYCLE ON PAGE 83
• WRITE AT LEAST THREE PROCESSES THAT CONTRIBUTE TO THE RELEASE
OF CARBON DIOXIDE INTO THE ATMOSPHERE
PLAN OF THE DAY
• WORK ON 3.2 AND 3.3 HANDOUTS (STUDY GUIDE)
• USE YOUR BOOK TO WORK ON 3.2, 3.3 HANDOUT QUIETLY AT
YOUR TABLE
• YOU CAN LISTEN TO MUSIC
• IF YOU HAVE A QUESTION, YOU CAN QUIETLY CHECK WITH THE
PERSON NEXT TO YOU (WHISPER LEVEL VOICES PLEASE)
• 3.2, 3.3 AND 3.4 HANDOUTS ARE DUE NEXT MONDAY!
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