Introduction to Life Science Lesson 23
What makes something alive? Activator Take 5 minutes to brainstorm and answer the following question in your science notebook What makes something alive? After 5 minutes of independent work take another 5 minutes to discuss as a group We will create a word web as a class after the discussion 5/25/2019 Add a footer
Characteristics of Living things All living things have a cellular organization. A cell is the basic unit of life. Unicellular- one celled Multicellular- more than one cell 5/25/2019 Add a footer
Characteristics of Living Things 2. Have Different Levels of Organization Living things must be able to organize simple substances into complex ones. Living things organize cells at several levels: Tissue Organ Organ system Organism 5/25/2019 Add a footer
Characteristics of Living Things 3. All living things use energy. Energy is used to nourish, repair and create new cells. 5/25/2019 Add a footer
Characteristics of Living Traits 4. Living things react to stimuli. A stimulus is something in the environment that causes a reaction, or a response. A response is an action or change in behavior. 5/25/2019 Add a footer
Classwork https://www.youtube.com/watch?v=30qOijVBS7o For the first 2o minutes work independently to read the article and answer the questions Discuss for 5 minutes with a partner Discuss difficult questions as a class for 5 minutes 5/25/2019 Add a footer
Exit Ticket Write down the four characteristics of living things we discussed today 5/25/2019 Add a footer