study of life themes & concepts umbrella concepts big ideas and recurring principles
TRANSCRIPT
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Study of LifeThemes & Concepts
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Umbrella ConceptsBig Ideas and Recurring Principles
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Why study Big Ideas in Biology? Biology is an ever expanding body of
knowledge… too much to memorize it all need to generalize create a framework upon which to
organize new knowledge themes (Big Ideas) are fundamental in
understanding the nature of living organisms
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Big Idea #1
The process of evolution drives the diversity and
unity of life.
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Making sense out of the diversity
Hierarchical scheme
Organizing Life’s Diversity
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Nothing in biology makes
sense except in the light
of evolution.— Theodosius Dobzhansky
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Evolution core theme of biology
Charles Darwin
Yup… I’m da MAN!
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evolutionary adaptation is a product of natural selection
It also shows how ALL life is related to
one another!
Evolution
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Unity & Diversity Dual aspects of life
on earth
Unity What do organisms
have in common? Why do similarities
exist? Diversity
What differences are there between organisms?
ANY Thoughts??
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Unity evolutionary relationships connected through a common ancestor
Diversity natural selection adaptations in
different environments
Unity & Diversity
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Big Idea #2
Biological systems utilize free energy and molecular building blocks to grow, to reproduce, and to maintain
dynamic homeostasis.
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Energy Transfer life is an open system
organisms continuously interact with the environment
stuff comes instuff goes out
energy is used
Entropy rules!
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Energy Transfer
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Levels of organization
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Form follows function structure & function are correlated at all
levels of biological organization
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Big Idea #3
Living systems store, retrieve, transmit, and respond to information
essential to life processes.
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Continuity & Change Continuity of life is based on heritable
information in the form of DNA DNA – the genetic
material – carries biological information from 1 generation to the next
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Which science is growing the fastest in new knowledge?
MOLECULAR BIOLOGY!!Genomics
& proteomicsprojects are
driving research
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Big Idea #4
Biological systems interact, and these systems and their
interactions possess complex processes.
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Regulation regulatory mechanisms ensure a
dynamic balance through feedback
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Interdependence no organism is
an island standing alone
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Science, Technology & Society science & technology must function within
the framework of society bioethics
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Science Practices…
Really, what this course is all about!
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repeatable observations & testable hypothesis
Science as a Process of Inquiry
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Science as a Process of Inquiry
Science is a verb! NOT A NOUN! Get ready to do
some…
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Any Questions?
This class is best when there are
questions!