Environment is the mother nature where life emerges including man.The environment we live in provide us with livelihoodsand human beins coexist with the environment. the environment provides biodiversityand project on the environment impacts on the local peopple

1. MAN AND ENVIRONMENT
ABRAHAM MARANGU
ABBY ETIQUETTEA ND CAREER URSUIT
What is environment?
Q. What is environment?
Q. Depends on what?
A. Depends on "Environment

2. 2
 Q. How about
“environment of human”?
 A.Wait and see!

3. 3
 Q. Who is "human"?
 A. Wait until the next section!
 Q. Is human a living object?
 A. ?

4. 4
The human animal

5. 5
 Q 1. What is living object?
 Q 2. What are differences
between living and non-living
objects?

6. 6
Sign of life
 1. Highly complex organization =
all other characteristics of life
emerge from an organism’s
complex organization

7. 7
 3. Self-perpetuation
= Life comes only from life.

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9. 9

10. 10

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 2. Self-homeostasis =
Self-maintenance of a
steady-state internal
environment in the
variations of
external environment.

12. 12
Insert larva picture

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 4. Growth and development =
the increment of volume and
changes in structure and
functions to suit with new
form of life

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 5. Interactions = Life needs
energy and matter utilization
for maintenance of life

15. 15

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6. Adaptation = Life evolve as a
result of the interaction
between organisms and their
environments

18. 18

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 7. Response = Life adjusts
itself to the environment.

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 From biological perspective,
these are biological
spectrum
 Biotic components

24. 24
รูป biotic
component
Cell
Gene
Org
an
Organis
m
Populat
ion
Commu
nities

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Biotic components cannot
survive in isolation.
They must interact with physical
or a biotic environments.

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Generalized diagram of inputs, throughputs,
and outputs in a system
System Throughputs (flows)
System Inputs
System Outputs
Information
Energy
Matter
Useless
information
Waste heat
Waste
matter

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Interaction between each biotic
level with physical environment
through energy, matter, and
information produces
characteristic functional system.
"Biosystem" or "life"

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Organizational hierarchy in nature
can be seen from "universe"
down to "subatomic particles".

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รูป solar system
Milky way
Galaxy
Universe
Solar system
Earth

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The natural world is organized,
diverse, dynamic, and yet
complex.

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Q. How can life be
seen in nature?
A. A hierarchy of
organization of matter.

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Fig 3-6

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Then, there is hierarchy
of biosystems.

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Q. What is the determinant of
life?
A. Environment by
evolutionary processes.

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Fig 20’

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 Q. How did life emerge on the
Earth?

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Transparenc
y 78
Fig 6-5 summary of the evolution of
the earth and its life.
Chemical
evolution
1 billion
years
Biological
evolution
3.7 billion
years

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Q. Is human a hierarchy of
organization of matter?

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Q. What is the difference of
“interaction between man and
environment” and “interaction
between other organisms and
environment”?

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 A. Organisms adapt themselves
to the environments.
 While
“Human modify environments to
suit themselves ”.

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Human environment
2 groups

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Atmosphere
Hydrosphere
Lithosphere
Ecosphere
Biosphere

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2. Man-made environment
 2.1 Anthropogenic ecosystems
 2.2 Physical structures

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What are the Functions of
Natural Environment?