science

What is a desease?

Disrupts the normal body function of the organism.
Describe the two types of deseases.

Noninfectious-can't spread from person to person

Infectious-passed from one living thing to another
What is pathogens?

A virus or microorganism that cause a desease.
What are viruses?
- Depend on living things to reproduce
- Vary in shape and size
What are the pathways to pathogens?
- Air-sneezing
- contaminated objects-doorknobs
- Person to person-shaking hands
- Animal-ringworm
- Food & water
How can you prevent pathogens?
- Cleanliness
- Pasteurization
- Vaccines
- Antibiotics
What is classification?

Putting thing into groups based on similarities.
What is taxonomy?

The science of classifying, naming, and describing living things.
What are the three questions for classifying organisms?
- How many species
- Defining characteristics
- Relationship between species
How did Linnaeus classify organisms in the past? How do we classify organisms now?
Classify based on shape and stucture.
- An eight level system
- Based on shared characteristics
What are the eight levels of classification?
- Kingdom
- Phylum
- Class
- Order
- Family
- Genus
- Species
How many parts are in the scientific name? What are they?
- 2 parts
- Genus and specific
What is the Dichotomous key?

Tools for identifying organisms.

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Card Set

science

Description

Science notes for the test

Updated

2010-04-13T00:22:13Z

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