BIOLOGY: THE STUDY OF LIFE What is Biology? Lesson overview

Biology is the science of life. Do you know what life is? Can you define it?

Learning objectives

• List the characteristics of all living things. • State four unifying principles of biology. • Describe how living things interact. • Explain how life on Earth evolves.

Keywords

Adaptation, Biodiversity, Biology, Biome, Biosphere, Cell, Cell Theory, Community, Competition, Ecosystem, Evolution, Gene Theory, Homeostasis, Natural Selection, Organ, Organ System, Organism, Population, Reproduction, Symbiosis, Tissue ENGAGE 10 min

Study the 3D model “Frog – Life Cycle” in the Lifeliqe Animal Biology library. Then, formulate answers to these questions:

• How do the tadpoles change as they grow and develop into frogs? • What grows? • What falls off?

EXPLORE 35 min

Read “Biology: The Study of Life.” www.ck12.org/section/Biology%3A-The-Study-of-Life...

Study the cK-12 PLIX “Characteristics of Life.” www.ck12.org/assessment/tools/geometry-tool/plix.html?eId=SCI.BIO.115...

EXPLAIN 10 min

Study the 3D model “Toad – Anatomy” in the Lifeliqe Animal Biology library. Then, formulate answers to these questions: • What are the individual organs that make up the six systems illustrated here? • What role do the liver and gallbladder play in the life and health of the toad?

EXTEND / ELABORATE 10 min

Take what you have learned and see it in authentic contexts.

Read and view “Is It Alive?” http://www.ck12.org/biology/Principles-of-Biology/rwa/Is-It-Alive

EVALUATE 10 min

Take the following quiz to assess what you have learned.

“Biology: The Study of Life” www.ck12.org/section/Biology%3A-The-Study-of-Life...

Select content for this lesson plan was derived from Brainard, J. (2017). CK-12 Biology. Palo Alto, CA: CK-12 Foundation. Except as otherwise noted, all cK-12 content (including cK-12 curriculum material) is made available to users in accordance with the Creative Commons Attribution-Non-Commercial 3.0 Unported (CC BY-NV 3.0) License (http://creativecommons.org/licenses/by-nc/3.0/). http://www.ck12.org/saythanks.