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Intro to Biology Summary (Handwritten)

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Intro Biology Study Notes for Science Students Are you a science major looking to ace your biology courses? Look no further! My "Intro to Biology Study Notes" are written to help you understand and master the fundamental concepts of biology, essential for any science major. These are 12 PDFs cr...

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* VIEW OF LIFE

, * VIEW OF LIFE

biology-scientific study focuses all
that on
understanding aspects of living organisms
biologists study life from molecular level
large-scale ecological interactions
↳ =
to




three main themes :




evolution central theme of
biology explains how life adapts
/changes over time
:
;


process that relies
nature of science on experiments and
hypothesis testing
:




to validate
findings
is interconnected in similarities in
biological systems life many ways ; e
genetics or
:


g
.
.




in
cycling of nutrients ecosystems
Atom

Smallest unit of an element composed of

electrons ,
protons and neutrons
,




V

Molecule

CHARACTERISTICS OF LIFE Union of two or more atoms

of the same or different elements


V


Cell

The structural and functional

of life
organization
=
unit of all living organisms

V

atom >
-
moucules >
-
cells =
most basic units of life Tissue

* group of cells with a common


us cell is alive but made from non living morecules
structure and function


V



live
cells
independently single-celled
↳ Organ
some , some
Composed of tissues functioning
together for a specific task


organisms clump together and form colonies V


Organ System
multicellular
many living organisms
are Composed of several organs

working together

V


Organism
complex individuals
previous and An individual ;
level
gets
each builds one
up on contain organ systems


and complex
V
more more
Species
A group of similar, interbreeding
level
hierarchy
↳ in each
moving up gains
organisms
,


V


characteristics
emergent properties unique = , Population
Organisms of the same species



by interactions between individual
in a particular are a
determined
community
parts Interacting populations in a particular area




interconnected function
V
↳ levels
all are ,
as
systems A
Ecosystem
community plus the physical environment

V

Biosphere

LIVING ORGANISMS MAINTAIN HOMEOSTAS IS Regions of the Earth's crust,

waters , and atmosphere inhabited
by living organisms




(homeostasis) for survival of temperature,
Organism
balance essential
biological .
g
; e .




moisture level , -o must within certain tolerance
acidity stay range
↳) maintained feedback/control mechanisms
by
many organisms depend on behavior to
regulate internal environment

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