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Characteristics of Living Things

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Characteristics of Living Things ... Space Organisms compete for LIVING SPACE ARBON YDROGEN ITROGEN XYGEN nonliving FLIES ROTTING MEAT PARENTS CELLS CELLS FOOD ... – PowerPoint PPT presentation

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Title: Characteristics of Living Things


1
Characteristics of Living Things
  • Alive or not alive?

2
All living things are made of the same
elements
  • C_______
  • H_______
  • N_______
  • O_______

ARBON
YDROGEN
ITROGEN
XYGEN
3
Living things can
  • Move
  • Grow
  • Made of cells
  • Reproduce
  • Respond to stimulus
  • Perform certain chemical activities

4
Life comes from Life
  • People used to believe in SPONTANEOUS GENERATION.
    This idea stated that life could spring from
    _________ matter.
  • Francesco Redi disproved this idea in 1668. He
    proved that ________ do not come from
    _________________, they come from their
    ____________.
  • All life is made of ______ that came from other
    ___________.

nonliving
FLIES
ROTTING MEAT
PARENTS
CELLS
CELLS
5
Movement
  • Living things move to get __________.

FOOD AND REPRODUCE
6
Metabolism
  • Metabolism is the _____ ____ and _______ ______
    of chemicals in an organism.
  • Ingestion
  • Digestion
  • Respiration
  • Excretion

Building up
Breaking down
7
Growth
  • Not only do living things grow by getting _______
    they also develop by getting more _________.

larger
complex
8
Living organisms Respond to Stimuli
  • A ______________ is any change in the
    environment.
  • A _______________is the action or movement of an
    organism.

stimulus
response
9
All life can REPRODUCE
  • __________ reproduction involves only one parent.
  • __________ reproduction involves 2 parents.

Asexual
Sexual
10
Needs of Living Things
  • What do you need to survive?

11
Energy
  • All life requires ENERGY. The main source of
    energy for most living things is the sun.
  • FOOD is a need of all organisms.

12
Water
  • Life could not exist without WATER.
  • More than 65 of your body is made of water.
  • Most of the chemical reactions in living things
    take place in water.

13
Space
  • Organisms compete for LIVING SPACE
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