Download Of Organisms

Study of Biology
1
What is Biology?
• _______ is the study of all
living things
• Living things are called
_____________
• Organisms include __________,
________, ______, _______, &
_________
2
All Living Things Share
Common Characteristics
1. Basic Unit is the ______
2. They _____________
3. All Based On Universal
Genetic Code (_____)
4. ______ & __________
3
Common Characteristics
5. Obtain & Use Materials &
_________
6. _________To Their Environment
7. Maintain A __________
__________ ___________
(_____________)
8. AS A GROUP, Living Things
_____, That Is They Change
Over Time
4
Characteristics of Organisms
5
All Organisms are made
of _______
6
Facts About Cells
• Cells are the _______ ______
unit of an organism
• All cells contain living material
called _________
• All cells are surrounded by a ____
_________ that controls what
enters & leaves the cell
7
More Cell Facts
• Cells are complex &
highly ________
• Cells have parts called
_________ that do
different jobs
e.g. Chloroplasts in
plants make sugars
8
More Cell Facts
• The simplest cells are
called ___________
• These cells ______
have a nucleus or
membrane-bound
organelles
• _________ are
examples
9
More Cell Facts
• More complex cells are
called ___________
• These cells ___ have a
nucleus and membranebound organelles
• Plants, __________,
protists, & _______
are examples
10
Organisms are Grouped by their
Number of Cells
• ___________ Organisms
–Living Organism Made Up Of ____
Cell
• __________ Organisms
–Living Organism Made Up Of
_____, ___________ Cells
11
Organisms Reproduce to
Pass on their _______
_______
12
Two Types of Reproduction
• _______
___________
•
•
•
Involves __
parents
Egg fertilized by
sperm to make a
________
Offspring are
____________
from parents
13
Two Types of Reproduction
• ________
__________
•
•
•
Involves __
organism or cell
Cell divides
Offspring are
_______ to
parent
14
Cells Have a Genetic Code
15
Genetic Code
• DNA (_____________________)
carries the genetic code for all
organisms
• All __________ contain DNA
• DNA codes for the _________
that make up cells & do all the
work
16
Organisms Grow & Develop
17
Growth & Development
• Organisms ______
by producing MORE
CELLS & by cell
ENLARGEMENT
• Organisms ________
as they mature into
an adult organism
18
Cells Require Food & Energy
19
Food Requirements
• _________ can make
their own food
• Photoautotrophs use
__________ to make
food (photosynthesis)
• Chemoautotrophs use
________ such as
iron & sulfur as their
energy
20
Food Requirements
• _________can NOT make their
own food
• They must consume other
organisms
• ___________ eat plants
• __________ eat meat
• __________ eat plants & animals
21
Metabolism
• Sum of all the __________
___________ in an organism
• All require __________
• _________ is the ultimate
energy for life on Earth
22
Metabolism
• ________________
–Cells releasing the chemical
energy stored in __________
6O2 + C6H12O6
6CO2 + 6H2O
23
Organisms Respond to Stimuli
• Organisms __________ to
_______ (Temperature, Water,
Food Supplies, etc.) In Order To
Survive & Reproduce
24
Homeostasis
• Keeping The Internal Environment
(____________) Of The Cell or
Organism Within The Ranges Required
For Life
• Stable internal conditions of ___,
_____________, _______________,
etc.
25
Living Things Evolve
• _______ Of
Organisms (Not
Individuals) Change
Over Time In Order
To Survive Within
Changing Environments.
• _________________s
how changes in groups
of organisms
26
Life is Organized on
Several Levels
27
Levels
•
•
•
•
•
•
•
•
Atoms
Molecules
Organelles
______ – life starts here
Tissues
Organs
System
Organism
28
Levels
•
•
•
•
Population
Community
Ecosystem
Biosphere
29
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