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Transcript
Percent of total attacks
on artificial snakes
100
84%
83%
Artificial
king snakes
80
Artificial
brown snakes
60
40
20
17%
16%
0
Coral snakes
absent
Coral snakes
present
BIOLOGY AND EVERYDAY LIFE
Copyright © 2009 Pearson Education, Inc.
1.9 CONNECTION: Biology, technology, and
society are connected in important ways
 Many of today’s global issues relate to biology
(science)
– Many of these issues resulted from applications of
technology
– Science and technology are interdependent, but their
goals differ
– Science wants to understand natural phenomena
– Technology applies science for a specific purpose
Copyright © 2009 Pearson Education, Inc.
1.10 EVOLUTION CONNECTION: Evolution is
connected to our everyday lives
 How is evolution connected to our everyday lives?
– It explains how all living species descended from
ancestral species
– Differences between DNA of individuals, species, and
populations reflect evolutionary change
– The environment matters because it is a selective force
that drives evolution
– An understanding of evolution helps us fight disease
and develop conservation efforts
Copyright © 2009 Pearson Education, Inc.
Inferences
Observations
Individual
variation
Overproduction
of offspring
Natural selection:
unequal reproductive
success
Evolution
of adaptations
in a population
Biology
is the study of
(a)
has changed
through the process of
(b)
mechanism is
depends on
accounts
for
(c)
leads to
DNA
(genetic code)
codes for
diversity of life
seen in
(e)
accounts
for
is evidence of
(d)
seen in
variations in
cells as basic
units of life
seen in
common properties
of living organisms
Average time to
complete maze (min)
25
20
15
10
No reward
Food reward
5
0
0
1
2
3
Day
4
5
6
You should now be able to
1. Describe life’s hierarchy of organization
2. Describe living organisms’ interactions with their
environments
3. Describe the structural and functional aspects of cells
4. Explain how the theory of evolution accounts for the unity
and diversity of life
5. Distinguish between discovery science and hypothesisbased science
6. Describe ways in which biology, technology, and society
are connected
Copyright © 2009 Pearson Education, Inc.