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8 Characteristics of Life

Details the eight characteristics of life.
by

Kristen Dunlap

on 25 August 2016

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Transcript of 8 Characteristics of Life

#6
Require Energy
Unicellular: Made of one cell
Examples: Bacteria, algae, protists
Asexual: One cell divides into two cells
Examples
Growth in multicellular organisms
Reproduction in unicellular organisms (bacteria)
REPRODUCE
#2
Displays Organization
#3
Grow & Develop
Growth:
Increase in size and/or # of cells
Get bigger
Metabolism: chemical reactions that build up or breakdown materials
Fairfield High School
Characteristics of Life
Biology Department
Multicellular: Made of more than one cell
Examples: Fungi, Plants, Animals
MADE OF ONE OR MORE CELLS
Sexual: Two cells join into one cell
Examples
Reproduction in multicellular organisms (plants/animals)
#1
#4
Development:
results in different abilities
Egg-->Tadpole-->Frog
Egg-->Infant-->Child-->Adult
Nutrient Uptake
Nutrient Processing
One metabolic process is...
Another metabolic process is...
Waste Elimination
And then there is...
The sun is the original source of energy for all living things.
Examples:
Producers change light energy to chemical energy (food-sugar-glucose)
Consumers eat other living things (including producers)
#5
Responds to Stimuli
Organisms detect and respond to internal and external stimuli
Details:
Examples:
Irritability
Sweat
Phototropism
#7
Maintain
Homeostasis
Homeostasis:

the process by which organisms keep their internal conditions relatively stable
If you aren't feeling well....
There is a good chance that your body is out of balance...
Red Flags will be sent out that something is wrong....
Death will
result if your body cannot maintain homeostasis.
Adaptations
Evolve
over Time
Evolution
Species inherit adaptations (or changes) over time that help the species survive.
Other Good Terms To Know:
Autotroph - an organism that can make its own food
Heterotroph - an organism that must consume/eat another organism for food.
Homeostasis
Our bodies want to stay at equilibrium (maintain homeostasis) here are some examples of how they do that:
Shivering when we are cold helps us avoid hypothermia.
Breathing heavy during and after exercise helps us repay oxygen debt.
#8
The levels of organization begin with atoms and molecules and increase in complexity.
Each organized stucture in an organism has a SPECIFIC FUNCTION
Organisms reproduce and pass along traits from one generation to the next.
Organisms are made of one or more cells. The cell is the BASIC UNIT OF LIFE!
Full transcript