ORGANISMS : Made up of one or more cells . Move Respond to changes in their environment . Anything they respond to is called a stimulus, (ex. Dogs hearing a sound), the action is a response (wagging tail, barking)
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Diffusion – the movement of particles from regions of higher density (concentration) to lower density.
Passive transport – movement of particles across a cell membrane (high to low) without the use of energy (diffusion, osmosis)
Active transport – movement of particles across a membrane from high concentration to low – takes ENERGY
Structure- the shape and materials of parts in an organism.
Function– the job the part does.
( Schwann, Virchow)
All organisms are made of one or more cells.
The cell is the basic unit of all living things.
All cells come from existing cells.
7 levels of Classification: King Phillip Came Over From Good Spain Kingdom, Phylum, Class, Order, Family, Genus, Species.
Mosses have rhizoids
Cellular Respiraton– plants and animals take in oxygen and sugar and convert it to water, CO2, and ATP energy. It occurs in the mitochondria.
Fermentation - the process of energy production in a cell under anaerobic conditions (without oxygen)
DNA – Deoxyribonucleic acid
CHARLES DARWIN AND EVOLUTION
Before Charles Darwin wrote about how he thought life on Earth evolved, most people believed that humans, and plants and animals had not changed since life began on this planet. When Darwin visited Galapagos, he found that many birds, animals, plants and reptiles had developed differently from the same ancestors. Over millions of years they have slowly adapted to the different environments around them by the process called evolution.
There are thirteen species of Darwin's finch, a small sparrow-like bird, in the Galapagos Islands. Each species has adapted - or evolved - depending on the type of food that it feeds on. This is shown by the different beak shapes.
For example, the large ground finch has developed a broad, wide beak, for cracking hard seeds. Other types of finch feed on insects, some remove ticks from tortoises, and one even pecks at seabirds and feeds on their blood! Each finch species has evolved according to its particular food source.