characteristics of life

All living things share some basic properties.All living things share some basic properties.

Cellular OrganizationCellular Organization

ReproductionReproduction

Metabolism (Obtain and Use Energy)Metabolism (Obtain and Use Energy)

HomeostasisHomeostasis

HeredityHeredity

ResponsivenessResponsiveness

Growth and DevelopmentGrowth and Development

Adapt Through EvolutionAdapt Through Evolution

Unicellular OrganismsUnicellular OrganismsEntire organism is made up of one single cellEntire organism is made up of one single cell

Bacteria and protistsBacteria and protists

Smallest unit capable of all life functionsSmallest unit capable of all life functions

Multicellular OrganismsMulticellular OrganismsThe organism is made up of many The organism is made up of many cellscells

Cells have specialized functions Cells have specialized functions within the organismwithin the organism

Reproduction is the process of producing new Reproduction is the process of producing new organisms of the same typeorganisms of the same type

Asexual ReproductionAsexual ReproductionA single parent organism reproducing by itselfA single parent organism reproducing by itself

Sexual ReproductionSexual ReproductionTwo different parent organisms contribute genetic Two different parent organisms contribute genetic information information

Involves the combination of male and female sex Involves the combination of male and female sex cellscells

Living organisms need energy to Living organisms need energy to grow, develop, repair damage, and grow, develop, repair damage, and reproducereproduce

AnabolismAnabolism

The process of building up complex substances The process of building up complex substances from simpler substancesfrom simpler substances

Building up cells and cellular components

Photosynthesis

CatabolismCatabolism

The process of breaking down complex The process of breaking down complex substances into simpler substances to release substances into simpler substances to release energyenergy

DigestionDigestion

Cellular RespirationCellular Respiration

MetabolismMetabolism

The total of all chemical reactions in The total of all chemical reactions in an organisman organism Anabolism + Catabolism = MetabolismAnabolism + Catabolism = Metabolism

A stable state of conditions in the body that A stable state of conditions in the body that are necessary for lifeare necessary for life

Body temperatureBody temperature

Blood volumeBlood volume

pH balancepH balance

Water balanceWater balance

Genes carry hereditary information

Genes are composed of DNA

Heredity is the reason children resemble their parents

Mutations change DNA code and can be passed from generation to generation

Organisms react to stimuli:Organisms react to stimuli:

LightLight

TemperatureTemperature

OdorOdor

Sound Sound

GravityGravity

HeatHeat

WaterWater

PressurePressure

An example is a plant’s An example is a plant’s leaves and stems growing leaves and stems growing toward lighttoward light

Growth means to get bigger in sizeGrowth means to get bigger in size

Development involves a change in the Development involves a change in the physical form or physiological make-up of physical form or physiological make-up of an organisman organism

AdaptationAdaptation

A process that enables A process that enables organisms to become better organisms to become better suited to their environmentsuited to their environment

Species obtain adaptations Species obtain adaptations through through evolutionevolution over great over great periods of timeperiods of time

An Example of AdaptationAn Example of Adaptation

Desert plants have succulent waxy leaves and Desert plants have succulent waxy leaves and stems to store water and reduce water lossstems to store water and reduce water loss