study of biology 1. what is biology? _______ is the study of all living things living things are...
TRANSCRIPT
Study of Biology
1
What is Biology?
• _______ is the study of all living things
• Living things are called _____________
• Organisms include __________, ________, ______, _______, & _________
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All Living Things Share Common Characteristics
1. Basic Unit is the ______2. They _____________3. All Based On Universal
Genetic Code (_____)4. ______ & __________
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Common Characteristics
5. Obtain & Use Materials & _________
6. _________To Their Environment7. Maintain A __________ __________
___________ (_____________)8. AS A GROUP, Living Things
_____, That Is They Change Over Time
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All Organisms are made of _______
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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
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More Cell Facts• Cells are complex &
highly ________• Cells have parts
called _________ that do different jobs
e.g. Chloroplasts in plants make sugars
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More Cell Facts• The simplest cells
are called ___________• These cells ______
have a nucleus or membrane-bound organelles
• _________ are examples
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More Cell Facts• More complex cells
are called ___________• These cells ___ have
a nucleus and membrane-bound organelles
• Plants, __________, protists, & _______ are examples
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Organisms are Grouped by their Number of Cells
• ___________ Organisms–Living Organism Made Up Of ____ Cell
• __________ Organisms–Living Organism Made Up Of _____, ___________ Cells
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Organisms Reproduce to Pass on their _______
_______
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Two Types of Reproduction
• _______ ___________
• Involves __ parents
• Egg fertilized by sperm to make a ________
• Offspring are ____________ from parents
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Two Types of Reproduction
• ________ __________
• Involves __ organism or cell
• Cell divides• Offspring are
_______ to parent
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Cells Have a Genetic Code
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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
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Organisms Grow & Develop
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Growth & Development
• Organisms ______ by producing MORE CELLS & by cell ENLARGEMENT
• Organisms ________ as they mature into an adult organism
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Cells Require Food & Energy
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Food Requirements• _________ can make
their own food• Photoautotrophs use
__________ to make food (photosynthesis)
• Chemoautotrophs use ________ such as iron & sulfur as their energy
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Food Requirements
• _________can NOT make their own food
• They must consume other organisms
• ___________ eat plants• __________ eat meat• __________ eat plants & animals
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Metabolism
• Sum of all the __________ ___________ in an organism
• All require __________• _________ is the ultimate
energy for life on Earth
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Metabolism
• ________________–Cells releasing the chemical energy stored in __________
6O2 + C6H12O6 6CO2 + 6H2O
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Organisms Respond to Stimuli
• Organisms __________ to _______ (Temperature, Water, Food Supplies, etc.) In Order To Survive & Reproduce
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Homeostasis• Keeping The Internal Environment
(____________) Of The Cell or Organism Within The Ranges Required For Life
• Stable internal conditions of ___, _____________, _______________, etc.
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Living Things Evolve
• _______ Of Organisms (Not Individuals) Change Over Time In Order To Survive Within Changing Environments.
• _________________show changes in groups of organisms
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Life is Organized on Several Levels
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Levels• Atoms• Molecules• Organelles• ______ – life starts here• Tissues• Organs• System• Organism
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Levels
• Population• Community• Ecosystem• Biosphere
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