Amy Shank)
Characteristics of Life - ANS-Living organisms have the ability to grow
Living organisms have the ability to move
Living organisms have the ability to reproduce
Living organisms have the ability to take in and respond to stimuli
Living organisms have boundaries
Living organisms perform digestion
Living organisms excrete wastes
Living organisms carry out metabolism
Hierarchy of biological topics - ANS-Chemistry
Organelle
Cell
Tissue
Organ
Organ system
Organism
Population
Community
Ecosystem
Biosphere
Chemistry - ANS-atoms and molecules are the simplest level
Organelle - ANS-small structures within cells
Cell - ANS-the smallest or most basic unit of life
Tissue - ANS-a group of similar cells working together for a specific function
Organ - ANS-a group of 2 or more tissues working together for a specific function
Organ System - ANS-a group of 2 or more organs working together to maintain life
Population - ANS-a group of interbreeding species or organisms within a defined area