Characteristics of Life. 2 Pptx

8/20/2019 Characteristics of Life. 2 Pptx

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What Does it Mean to Be Alive?

The Characteristics of Life


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Let’s Practice

Tell if the object is living or nonliving.

Nonliving LivingLiving

Living LivingLiving

Nonliving

1

23

4

56

7


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Characteristics of Life


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Life!!!

All living things share some basic properties.

Cellular rgani!ation

"epro#uction

$etabolism %btain an# &se 'nerg()*omeostasis

*ere#it(

"esponsiveness

+ro,th an# -evelopment

A#apt Through 'volution


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All Living Things are Made Up of Cells

&nicellular rganisms'ntire organism is ma#e up of one single cell

acteria an# protists

/mallest unit capable of all life functions


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$ulticellular rganisms

The organism is ma#e up of man(

cells

Cells have speciali!e# functions

,ithin the organism


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n multi0cellular organis!s" the cells

speciali#e to perfor! specific f$nctions

%&one cells" s'in cells" !$scle cells" rootcells"

leaf cells()

*!ooth !$scle Nerve cell Leaf cell +ed Blood Cell

,east cell


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All Living Things +eprod$ce

"epro#uction is the process of pro#ucing ne,organisms of the same t(pe

Ase1ual "epro#uction

A single parent organism repro#ucing b( itself


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A/'2&AL "'P"-&CT

5. u##ing *(#ra an# /ponge

. 8ragmentation 0 /tarfish

3. inar( 8ission unicellular organisms

3 T(pes of "epro#uction


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/e1ual "epro#uction

T,o #ifferent parent organisms contribute genetic

information

nvolves the combination of male an# female se1

cells


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All Living Things -&tain and Use .nerg/

Living organisms nee# energ( togro,9 #evelop9 repair #amage9 an#

repro#uce


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Anabolism

The process of buil#ing up comple1 substancesfrom simpler substances

uil#ing up cells an# cellular components

Photos(nthesis


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Catabolism

The process of brea:ing #o,n comple1

substances into simpler substances to release

energ(

-igestion Cellular "espiration


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$etabolism

The total of all chemical reactions in

an organism

Anabolism ; Catabolism < $etabolism


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A stable state of con#itions in the bo#( thatare necessar( for life

o#( temperature

loo# volume

p* balance

=ater balance

All -rganis!s Maintain 0o!eostasis


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All -rganis!s ass Along 0ereditar/ Traits

+enes carr( here#itar( information

+enes are compose# of -A

*ere#it( is the reason chil#ren resemble their parents

$utations change

-A co#e an# can be

passe# from

generation to

generation


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All Living Things +espond to Their .nviron!ent

rganisms react to stimuli>

Light

Temperature

#or

/oun#

+ravit(

*eat

=ater

Pressure

An e1ample is a plant’s

leaves an# stems gro,ing

to,ar# light


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All Living Things ro3

+ro,th means to get bigger in si!e


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All Living Things Develop

-evelopment involves a change in the

ph(sical form or ph(siological ma:e0up of

an organism


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All Living Things Adapt to Their

.nviron!ent Thro$gh .vol$tion

A#aptation

A process that enables

organisms to become better

suite# to their environment

/pecies obtain a#aptationsthrough evolution over great

perio#s of time


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An '1ample of A#aptation

-esert plants have succulent ,a1( leaves an#

stems to store ,ater an# re#uce ,ater loss


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L.T4* +ACTC.

Which characteristics of life is &eing descri&ed?

+eprod$ctionCells Adaptation

+esponses .nerg/

ro3 and develop

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Characteristics of Life. 2 Pptx