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Bio: Chap 1.1 Characteristics of life
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Chemistry of water (2.3) and Acid and Bases (2.4)
Bio: Chap 1.1 Characteristics of life
43 cards
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Bio: Chap 1.1 Characteristics of life
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Bio: Chap 1.1 Characteristics of life
21 cards
Cards (101)
What common traits/characteristics does all life have?
organization
,
obtain food
and
use energy
,
maintain
homeostasis
,
respond to stimuli
,
develop
and
reproduce
,
adaptations to environment
What does "life is organized" mean?
Having
cells
,
hierarchical
organization
What is the definition for "species"
Organisms
that
can
reproduce
and
have children
What is the definition of a "population"
All organisms of one species living in one area
What is the definition of a "community"?
All life forms
in
one area
(ex:
plants
+
animals
)
What is the energy source that almost all organisms use?
The sun
What is an "autotroph"?
organisms that convert solar energy into chemical energy
What are two examples of autotrophs?
plants
and
algae
What is a "heterotroph?"
organisms gather chemical energy
from
autotrophs
(ex:
eating plants
)
What is homeostasis?
Organisms maintaining internal conditions
through
feedback mechanisms
What are some examples of feedback mechanisms?
maintaining internal conditions
such as
temp. pH
,
energy
What is a "stimulus-response"
organisms changing behavior
in
response
to the
environment
What is an example of a stimulus response
Moving body
to
get food
What are the two types of reproduction?
sexual
and
asexual
What is the purpose of reproduction?
To pass on genetic information to the next generation
What is an "adaptation"?
change
in the
body structure
and/or
function
to
better enable survival
in the
environment
What is an example of an adaptation?
penguins wings
used for
swimming
not
flying
,
extra fat
What does it mean to "evolve"?
change
in a
population
body's
structure
and
functions
over
time
(
genetics
,
natural selection
)
See all 101 cards