What Makes Something Alive?
aligned to Unit 1: Foundations Of Biology, Biomolecules & Cells Weeks 1–3 Critical Standards: 1, 2 Big Ideas: Structure–function, Systems, Homeostasis Topics: Scientific Thinking & Characteristics Of Life (intro) Biomolecules: Carbohydrates, Lipids, Proteins, Nucleic Acids Structure–function Relationships In Biomolecules Cell Theory Prokaryotic Vs. Eukaryotic Cells Organelles And Specialization Learning Targets (i Can): Explain How Biomolecule Structure Determines Function (std. 1) Use Models To Compare Biomolecules And Cell Types (std. 1, 2) Describe How Organelles Work Together To Maintain Cell Function (std. 2) Activities: Biomolecule Structure-function “build-a-cell” Project-based Learning Microscope Lab Cell Analogy & Organelle Malfunction Scenarios Assessments: Biomolecule Cer (structure → Function) Cell/organelle Modeling Task
Learning Objective
I can list the characteristics that all living things share.
Lesson Flow
Watch Video
Characteristics of Life
Amoeba Sisters
Guided Notes
Key concepts students will learn:
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Living organisms maintain homeostasis, which is a regulated balance of internal conditions, such as temperature and water concentration.
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All living things must have metabolism, meaning they capture and use energy through chemical reactions like photosynthesis or cellular respiration.
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Living organisms can reproduce, either simply like bacteria copying DNA or more complexly with sperm and egg cells uniting.
Practice
12 questions • Multiple choice & Short answer & True/false
Exit Ticket
“List five characteristics that all living things share, as discussed in the video.”
Teacher Guide
Get the complete package:
- Answer keys for all questions
- Differentiation strategies
- Extension activities
- Printable student handouts



