Study of Biology

What is Biology? _______ is the study of all living things Living things are called _____________ Organisms include __________, ________, ______, _______, & _________

All Living Things Share Common Characteristics Basic Unit is the ______ They _____________ All Based On Universal Genetic Code (_____) ______ & __________

Common Characteristics Obtain & Use Materials & _________ _________To Their Environment Maintain A __________ __________ ___________ (_____________) AS A GROUP, Living Things _____, That Is They Change Over Time

Characteristics of Organisms

All Organisms are made of _______

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

More Cell Facts Cells are complex & highly ________ Cells have parts called _________ that do different jobs e.g. Chloroplasts in plants make sugars

More Cell Facts The simplest cells are called ___________ These cells ______ have a nucleus or membrane-bound organelles _________ are examples

More Cell Facts More complex cells are called ___________ These cells ___ have a nucleus and membrane-bound organelles Plants, __________, protists, & _______ are examples

Organisms are Grouped by their Number of Cells Living Organism Made Up Of ____ Cell __________ Organisms Living Organism Made Up Of _____, ___________ Cells

Organisms Reproduce to Pass on their _______ _______

Two Types of Reproduction _______ ___________ Involves __ parents Egg fertilized by sperm to make a ________ Offspring are ____________ from parents

Two Types of Reproduction ________ __________ Involves __ organism or cell Cell divides Offspring are _______ to parent

Cells Have a Genetic Code

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

Organisms Grow & Develop

Growth & Development Organisms ______ by producing MORE CELLS & by cell ENLARGEMENT Organisms ________ as they mature into an adult organism

Cells Require Food & Energy

Food Requirements _________ can make their own food Photoautotrophs use __________ to make food (photosynthesis) Chemoautotrophs use ________ such as iron & sulfur as their energy

Food Requirements _________can NOT make their own food They must consume other organisms ___________ eat plants __________ eat meat __________ eat plants & animals

Metabolism Sum of all the __________ ___________ in an organism All require __________ _________ is the ultimate energy for life on Earth

Metabolism ________________ Cells releasing the chemical energy stored in __________ 6O2 + C6H12O6 6CO2 + 6H2O

Organisms Respond to Stimuli Organisms __________ to _______ (Temperature, Water, Food Supplies, etc.) In Order To Survive & Reproduce

Homeostasis Keeping The Internal Environment (____________) Of The Cell or Organism Within The Ranges Required For Life Stable internal conditions of ___, _____________, _______________, etc.

Living Things Evolve _______ Of Organisms (Not Individuals) Change Over Time In Order To Survive Within Changing Environments. _________________show changes in groups of organisms

Life is Organized on Several Levels

Levels Atoms Molecules Organelles ______ – life starts here Tissues Organs System Organism

Levels Population Community Ecosystem Biosphere