Characteristics of life

Learning Target Identify the 8 characteristics of life and apply them to living and non-living things

Discuss in your table groups: What is it that makes something alive? What characteristics do an elephant, a beetle, a tree and a bacteria all have in common?

Life’s characteristics unify all living things Characteristics of Life Life’s characteristics unify all living things Cells - the basic unit of life

Characteristics of Life And Life’s resulting Organization Energy Consumption

Characteristics of Life Organisms Sense and Respond to Change (respond to external stimuli) Living things are irritable!

Characteristics of Life Organisms must maintain a stable internal environment: Homeostasis

Characteristics of Life All organisms exhibit Growth and Development

Characteristics of Life All organisms exhibit have Genetic Material in the form of DNA and RNA

Characteristics of Life Reproduction DNA is stable and can be passed from parent to offspring Adaptation through Evolution DNA is also able to change through time by way of mutation which can lead to variation and adaptive traits, natural selection, and ultimately evolution and adaptation in a population

Characteristics of Life Reproduction DNA is stable and can be passed from parent to offspring Adaptation through Evolution DNA is also able to change through time by way of mutation which can lead to variation and adaptive traits, natural selection, and ultimately evolution and adaptation in a population Descent Charles Darwin’s big idea: descent with modification (variation in a population) by way of natural selection with Modification

The Characteristics of Life Unify all living things Energy consumption Cells Response to external stimuli Homeostasis Growth and Development Genetic material (DNA and RNA) Reproduction Adaptation through Evolution

Scavenger hunt time! We are going to go outside! With your group take a picture of something that is alive When we come back you will have to explain how your photographed something exhibits all of the characteristics of life

Are Viruses Alive? Read “Are Viruses Alive?” Should viruses be classified as alive? On a separate sheet of paper, write a paragraph arguing your point. The paragraph should be at least 8 sentences long