Notes 3-11-10

CHEMISTRY OF LIFE

1) You're made of matter and energy.

2) Energy's job is holding matter together or break matter apart.

3) Matter is made up of atoms.

4) Atoms have a nucleus, which is made of protons and neutrons.

5) On the outside of the nucleus (in the atom) there are electrons.

6) Elements are made of one type of atom.

A) Elements cannot be broken down into a simpler form.

B) All elements are arranged in a chart and called a periodic table.

Notes 2-11-10

Linnaeus-developed a method of classifying organisms; basically he created a way of categorizing animals by similar structures

Binomial Nomenclature: Two name system that scientists use today

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Genus Species

Genus:a group of organisms with similar structures

Genus: Rana Species: Pipiens

Modern Scientists use similar structures to classify organisms. They also use fossils, heredity information, and early stages of development.

1)Phylogeny: is the environmental history of an organism, or how the organism has changed over time.

-The smallest group of classification system used is species.

-The largest group is the kingdom.

Scientists use field guides to identify organisms in the field.

-The field guides include descriptions of information on organisms.