Ohio State University
Ohio State Univ.: Cell Expansion and Differentiation
This essay is complemented by useful illustrations of how plant cells enlarge after mitosis and become specialized for different functions. A good supplement to plant growth studies.
Ohio State University
Ohio State University: Woody Plants
This advanced level essay is a concise review of the structure of woody stems and roots. Good illustrations help make the text understandable.
Palomar Community College District
Palomar College: Diversity of Flowering Plants
The pictures in this essay from Palomar College are wonderful. The huge variety of flowering plants including some of the more unusual groups, is discussed at an advanced level.
Palomar Community College District
Palomar College: Stem & Root Anatomy
This is an advanced review from Palomar College of the types of cells that make up conducting tissue in stems and roots. The photos and diagrams are excellent!
George Washington University
George Washington University: Basics of Cladistic Analysis [Pdf]
This is an advanced level review of cladistic theory and methodology. Some sections are very dense but there are useful sections for teachers and students seeking a better understanding of the topic.
Ohio State University
Ohio State University: Plant Cell Division and Cell Walls
A useful review of plant meristems, growth and cell wall construction. Good illustrations make for easy to understand information.
Ohio State University
Ohio State University: Lipids and Carbohydrates
An introduction to these chemical families. Diagrams are easy to understand and the text explains basic concepts well.
Ohio State University
Ohio State University: Proteins and Nucleic Acids
This information can be used for exam review or as an introduction. It presents a good overview of the topics with charts, graphs, links, and a quiz.
Khan Academy
Khan Academy: Cell Compartmentalization
Using your knowledge of cell compartmentalization answer the multiple choice questions found on this site.
Khan Academy
Khan Academy: Tissues, Organs, & Organ Systems
Describes the main tissue types and organ systems of the body and how they function together.
University of Arizona
University of Arizona/dna Structure Activity
Activity based on the use of computer enhanced molecular images, might be worth the effort for an AP class to try.
Cold Spring Harbor Laboratory
Cold Spring Harbor Laboratory: Greenomes
A series of experiments with an arabidopsis plant appropriate for AP or IB Biology. Experimentation includes PCR, identification of genetic modification, as well as complete write-ups and instructor information for pre-lab preparation.
Untamed Science
Untamed Science: Human Biology: Musculatory System
Learn about the three types of muscle tissue, how a muscle contracts, and how muscles are adapted for exercise. [3:40]
Open Curriculum
Open Curriculum: Organization of the Human Body
An illustrated article which helps students understand the levels of organization of the human body.
Curated OER
Dna
Activity based on the use of computer enhanced molecular images, might be worth the effort for an AP class to try.
Khan Academy
Khan Academy: A Brief History of Mass Extinctions
A site dedicated to knowledge about the mass extinction that have occurred in our history.
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