Notes handout for characteristics of life ppt

1. Characteristics of Life Notes
1) ___________________& Cells
 Organization:Degree of ___________ withinanorganism’sinternal and___________ structure
& how itinteractswiththe ______________________.
 __________: Smallestunitthatcan ___________ all _________ processes.
a. Unicellular=_____ cell (ex:______________)
b. Multicellular=___________ cells(ex.trees,fish,_______)
2) Response to ____________________
 A _________________ or _______________ change inthe internal orexternal environment.
 Examples:
o Dilatingeyesinresponseto______________ inlight.
o Pullingawayaftertouching_____ ____________.
o Sneezingin ______________ to dust or allergies.
o Leaves______________ colorsduringthe fall.
3) Homeostasis
 Maintaininga____________ internal environmentevenwhenenvironmentalconditions
_____________.
 Example:Yourbodytemperature is_________________ at approximately_____
o Whenyour bodyheatsup,your_________ __________ secrete watertocool off your
skin.
o Whenyouare cold,your body_____________ the skin(_________________) to
conserve heat.
4) ________________
 Sumof all chemical reactionsthatinvolve __________ ___ andtransforming_____________ &
materialsfromthe _________________.
 ___________ of metabolismisto__________ ___________ for repair,movement&
_________.
 Examples:Plants,algae,andbacteriause the ______ ___________ to generate _________
(food) through__________________. Youdependonotherorganismstoobtainenergy.
5) Growth & __________________
 All livingthings________ andincrease insize bythe cells_______________ andenlarging.

2. 6) Reproduction
 Productionof _______ organisms.
 Reproduction,unlike the other6characteristics,is______ essential tothe _________ of an
individualorganism. Itisessential forthe ________________ of the ______________.
 During________________, organismspasson geneticinformation(_______) to their
offspring.
o _____________: hereditaryinformationiscombinedfrom____ organismsof the same
species.
o _____________: hereditaryinformationfrom____________ organismsis_____
combined~the original organismsandnew organismare geneticallythe _______
 Ex) bacteria
7) ____________ through time
o Althoughindividual organisms experience ____________ duringtheirlifetime,their
basic_____________ ___________________ do not change
o Populationsof livingorganismsevolve or____________ overlongperiodsof _______ in
orderto survive ina changingworld.
 Ex) PepperedMoth
Summary: