A. All living things share certain characteristics.
B. The scientific theory of cells, also called cell theory, is a fundamental organizing principle of life on Earth.
C. Life can be organized in a functional and structural hierarchy.
D. Life is maintained by various physiological functions essential for growth, reproduction, and homeostasis.
Related Courses
Related Access Points
Related Resources
Lesson Plans
Original Student Tutorial
Perspectives Video: Professional/Enthusiast
Teaching Idea
Text Resource
STEM Lessons - Model Eliciting Activity
Students will learn how NASA's scientists are exploring the possibility of 3D printing food in space. The students will evaluate various sources of protein, taking into consideration the nutritional quality of each, along with the cost to produce them, and finally their impact on the environment.
Model Eliciting Activities, MEAs, are open-ended, interdisciplinary problem-solving activities that are meant to reveal students’ thinking about the concepts embedded in realistic situations. Click here to learn more about MEAs and how they can transform your classroom.
Original Student Tutorials Science - Grades K-8
Cells are very diverse, but are the foundation of all living things. Take a look at different types of cells and learn how they have similar needs. Cell are alike, but different!
Student Resources
Original Student Tutorial
Cells are very diverse, but are the foundation of all living things. Take a look at different types of cells and learn how they have similar needs. Cell are alike, but different!
Type: Original Student Tutorial