Chapter One: Characteristics Of Li r r r r
ving Organisms r
In order to identify living organisms, scientists listed 7 ch
r r r r r r r r r
aracteristics which all living organisms have: r r r r r
Nutrition: Taking in nutrients which are organic substa
r r r r r r r
nces and mineral ions, containing raw materials and ene
r r r r r r r r
rgy for growth and tissue repair, absorbing and assimilat
r r r r r r r r
ing them. r
Excretion: Removal from organisms of toxic materials, t
r r r r r r r
he waste products of metabolism and substances in exce
r r r r r r r r
ss.
Respiration: Chemical reactions that break down nutrie r r r r r r
nt molecules in living cells to release energy.
r r r r r r r
Sensitivity: The ability to detect or sense changes in the
r r r r r r r r r r
environment and to make responses. r r r r
Reproduction: Progresses that make more of the same k r r r r r r r r
ind of organism.
r r
KareemrMokhtar
,Growth: The permanent increase in size and dry mass by
r r r r r r r r r r
an increase in number of cells, cell size, or both.
r r r r r r r r r
Movement: An action by an organism or part of an organi
r r r r r r r r r r
sm that changes position or place.
r r r r r
The seven characteristics could be memorized by the ter
r r r r r r r r
m “Mrs. Gren”:
r r
Movement Respir r
ation Sensitivity G r r
rowth Reproducti r
on Excretion Nutri
r r
tion
Definitions:
Metabolism: Chemical reactions taking place in cells. r r r r r r
Stimuli: Changes in the environment which organisms re
r r r r r r r
sponse to. r
KareemrMokhtar
, Chapter 2: Lab Skills And Separating Meth
r r r r r r
ods:
This unit deals with lab equipment and methods of separating solutions. Th
r r r r r r r r r r r
e following is a list of commonly used lab equipment:
r r r r r r r r r
Test Tube
r Beaker Clonical flaskr
Burette pipette teat pipette (dropper)
r r
KareemrMokhtarr©
, Measuring Cylinder
r Round Bottom Flask
r r Separating Funnel
r
Bunsen Burner
r Tripod Gauze
Thermometer Evaporating Dish
r
KareemrMokhtarr©
ving Organisms r
In order to identify living organisms, scientists listed 7 ch
r r r r r r r r r
aracteristics which all living organisms have: r r r r r
Nutrition: Taking in nutrients which are organic substa
r r r r r r r
nces and mineral ions, containing raw materials and ene
r r r r r r r r
rgy for growth and tissue repair, absorbing and assimilat
r r r r r r r r
ing them. r
Excretion: Removal from organisms of toxic materials, t
r r r r r r r
he waste products of metabolism and substances in exce
r r r r r r r r
ss.
Respiration: Chemical reactions that break down nutrie r r r r r r
nt molecules in living cells to release energy.
r r r r r r r
Sensitivity: The ability to detect or sense changes in the
r r r r r r r r r r
environment and to make responses. r r r r
Reproduction: Progresses that make more of the same k r r r r r r r r
ind of organism.
r r
KareemrMokhtar
,Growth: The permanent increase in size and dry mass by
r r r r r r r r r r
an increase in number of cells, cell size, or both.
r r r r r r r r r
Movement: An action by an organism or part of an organi
r r r r r r r r r r
sm that changes position or place.
r r r r r
The seven characteristics could be memorized by the ter
r r r r r r r r
m “Mrs. Gren”:
r r
Movement Respir r
ation Sensitivity G r r
rowth Reproducti r
on Excretion Nutri
r r
tion
Definitions:
Metabolism: Chemical reactions taking place in cells. r r r r r r
Stimuli: Changes in the environment which organisms re
r r r r r r r
sponse to. r
KareemrMokhtar
, Chapter 2: Lab Skills And Separating Meth
r r r r r r
ods:
This unit deals with lab equipment and methods of separating solutions. Th
r r r r r r r r r r r
e following is a list of commonly used lab equipment:
r r r r r r r r r
Test Tube
r Beaker Clonical flaskr
Burette pipette teat pipette (dropper)
r r
KareemrMokhtarr©
, Measuring Cylinder
r Round Bottom Flask
r r Separating Funnel
r
Bunsen Burner
r Tripod Gauze
Thermometer Evaporating Dish
r
KareemrMokhtarr©
