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Chapter 1

Classifying and Exploring Life

TermDefinition
The characteristics of life Of life
Organization all living things show some type of organization a. Unicellular- (diatom) b. Multi Cellular- (fish or human)
Growth and Development all organisms grow and develop Growth: getting older Development: series of changes that you go through
Reproduction Reproduction
Asexual Reproduction One parent organism a. one thing can make copies of itself
Sexual Reproduction two parent organisms a. majority of species that reproduce this way don't even come in contact with each other
Response to Stimuli reactions all organisms have in order to survive
Homeostasis being able to maintain good internal conditions when outside conditions change
Use of energy all living things need and use energy
Taxonomy the science of classification
Aristotle Classified animals based on the presence of "red blood", the animals environment, and the size and shape of the animal
Linnaeus a. classify organisms based on their specific traits b. placed organisms into 2 specific categories (kingdom and phylum) c. use Latin to name living things
Modern classification system (1) Systematics- uses all the evidence that is known about the organism. a.Unicellular or Multi-Cellular b.The way an organism obtains food c. Habitat d. structure and function of it's features e. DNA
Three domains all living things are classified into today Archea Bacteria Eukarya
Archea unicellular organisms only found in extreme conditions
Bacteria simple, unicellular organisms
Eukarya more complex unicellular and multicellular organisms
Modern Classification System Domain Kingdom Phylum Class Order Family Genus Species
All living things have a two part scientific name Genus name and Species name (binomial nomenclature)
What is a species? organisms that can mate with one another and produce viable offspring
Viable That the offspring can have offspring
Use of the compound light microscope A light microscope that uses more than one lens to magnify an object a. can be used to view living and non-living things
Low Power Objective 40x- can magnify up to 400x larger
High Power Objective 60x- can magnify up to 600x larger
Created by: autumnm2345
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