Chapter 1 – Chapter 1 – Structure of Living Structure of Living
ThingsThingsLesson 2 – From Lesson 2 – From Cells to OrganismsCells to Organisms
© Brent Coley 2009 | www.mrcoley.com© Brent Coley 2009 | www.mrcoley.com
How are living things How are living things organized?organized?
• An individual living thing isAn individual living thing is called an called an organismorganism..
• Organisms carry out lifeOrganisms carry out life processes (growth, response processes (growth, response nutrition, etc.). nutrition, etc.).
How are living things How are living things organized?organized?
• Two kinds of organisms:Two kinds of organisms:• One-celledOne-celled
((unicellularunicellular))
• Many-celledMany-celled((multicellularmulticellular))
How do cellsHow do cellswork together?work together?
• A group of similar cells that A group of similar cells that dodo the same job is called a the same job is called a tissuetissue..
NervesNerves
BloodBlood MusclesMuscles
BoneBone
What are some plant and What are some plant and animal organ systems?animal organ systems?
• Different tissues workingDifferent tissues working together form an together form an organorgan..
BrainBrain
HeartHeart
LungsLungs
Plant Plant stemsstems
What are some plant and What are some plant and animal organ systems?animal organ systems?
• A group of different organsA group of different organs working together to do a working together to do a certain job is an certain job is an organ organ systemsystem..
SkeletaSkeletal l SystemSystem
Root Root SystemSystem
Summary &Summary &ExampleExample
SummarySummaryCellsCells
TissuesTissues
OrgansOrgans
Organ Organ SystemsSystems
ExampleExampleBone CellsBone Cells
Bone TissueBone Tissue
RibsRibs
Skeletal Skeletal SystemSystem