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Characteristics and Needs of Life

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by

Katherine Zimmerman

on 2 November 2015

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Transcript of Characteristics and Needs of Life

How do you know what is alive?
Characteristics of Life
Unicellular or multicellular

Prokaryotic or Eukaryotic
Made of CELLS
Autotrophic or Heterotrophic
Obtains and uses ENERGY
Grow = getting bigger

Develop = becoming more complex
GROW and
DEVELOP
To make more of the same kind.

Must happen for a species to continue.
REPRODUCE
Respond = immediate, individual change
RESPOND to a STIMULUS
Homeostasis
http://images.cdn.fotopedia.com/flickr-3839720754-hd.jpg
http://s0.geograph.org.uk/geophotos/02/81/58/2815842_fc6fc9e2.jpg
http://images.cdn.fotopedia.com/flickr-467128837-hd.jpg
http://3.bp.blogspot.com/-U2dGB4s18yc/T3mvQGtXvHI/AAAAAAAAEB8/S5PnjTvMPIc/s1600/bucket-of-bunnies.jpg
Adapt = over time, the entire species changes
http://images.cdn.fotopedia.com/flickr-1360022005-hd.jpg
http://www.livelaugheat.com/wp-content/uploads/2011/09/IMG_0254.jpg
Water
Food
Living
Space
Autotrophic
Heterotrophic
Needs of Life
Made of one cell only.
Many cells work together for the organisms to function; cells differentiate.
Pro:
Karyo:
Cells without a nucleus.
before
nucleus
Eu:
Karyo:
Cells with a true nucleus.
true
nucleus
Auto:
Troph:

Organisms that produce their own food from an energy source (ie. sun).
self
energy level
Hetero:
Troph:

Organisms that get food from another source to convert to energy.
different
energy level
Stable internal Environment

Proteins
Carbohydrates
Lipids
Nucleic Acids
Same Chemicals
Made of one cell only.
Many cells work together for the organisms to function; cells differentiate.
Pro:
Karyo:
Cells without a nucleus.
before
nucleus
Eu:
Karyo:
Cells with a true nucleus.
true
nucleus
Full transcript