BiologyWise
Biology Wise: The Levels of Organization of Living Things
Explains the importance of systems of organization in biology and describes the thirteen levels of organization, from the atom up to the biosphere.
CK-12 Foundation
Ck 12: Organization of Living Things
[Free Registration/Login may be required to access all resource tools.] This lesson explains the levels of organization within the biological world. It looks at the cell to organism hierarchy, and at the population to biosphere...
BiologyWise
Biology Wise: The 5 Significant Kingdoms of Living Things
Describes the characteristics of the five kingdoms of living things - Monera, Protista, Fungi, Plantae, and Animalia.
BiologyWise
Biology Wise: The Importance of Osmosis in Living Organisms
Explains what osmosis is and why it is such a critical process in the health and survival of living organisms.
Encyclopedia of Earth
Encyclopedia of Earth: Biology
A large collection of articles covering many topics and specialized fields in the discipline of biology.
The Franklin Institute
The Franklin Institute: Living Things Families
What do centipedes and crabs have in common? What's so special about a backbone? Check this site out from The Franklin Institute if you are interested in biology and classification.
Vision Learning
Visionlearning: Evolutionary Biology: Taxonomy: Nomenclature
An explanation of how living organisms are named and the importance of naming them accurately.
Texas Education Agency
Texas Gateway: Biological Systems: Homeostasis
Study the process of by which humans respond to their environment to reach equilibrium in this tutorial. Learn that feedback mechanisms trigger living things to respond to their environment.
BiologyWise
Biology Wise: Comparison of Living and Non Living Things
Compares the characteristics of living and non-living things based on respiration, life processes, response to stimuli, death, and composition.
CK-12 Foundation
Ck 12: Biology: Characteristics of Life
Covers seven characteristics shared by all living organisms.[Free Registration/Login may be required to access all resource tools.]
Georgia Department of Education
Ga Virtual Learning: Biology: Biological Molecules
Through informational text, interactive activities, step-through animations, and video clips, studnet explore biochemistry and the molecules that make up living things.
Georgia Department of Education
Ga Virtual Learning: Ap Biology: Ecology
Students review the study of living things and make connections back to Earth's systems. This unit focuses on how various species, grouped in populations and communities, work with the nonliving things around them to ensure survival.
Georgia Department of Education
Ga Virtual Learning: Ap Biology: Chemistry of Life
Through informational text, interactive activities, animations, and video clips, students examine the chemistry of living things, and they learn how interactions from atoms are fundamental to life as we know it.
CK-12 Foundation
Ck 12: Biology: Interdependence of Living Things
[Free Registration/Login may be required to access all resource tools.] Covers interactions between organisms.
CK-12 Foundation
Ck 12: Biology: Organization of Living Things
[Free Registration/Login may be required to access all resource tools.] How organisms are organized.
CK-12 Foundation
Ck 12: Biology: Science of Ecology Study Guide
Review ecology, the study of how living organisms interact with each other and their surrounding environment.
CK-12 Foundation
Ck 12: Biology: Basics of Biology Study Guide
This comprehensive study guide covers the main terms and concepts needed for a biology unit.
City University of New York
Brooklyn College: Exploring Life @ Bi Odot Edu: Signs of Life: Complexity
A nice introduction to the idea that living things are highly organized at several different levels. Great as an introduction to biological complexity.
McGraw Hill
Glencoe Biology: Modern Classification: Self Check Quiz
Try these five self-checking quiz questions over modern classification of living things. Click on the hints to see information about each question.
McGraw Hill
Glencoe Biology: Domains and Kingdoms: Self Check Quiz
This multiple-choice quiz on domains and kingdoms of living things allows students to get hints for each question and check their answers after submitting.
Science Education Resource Center at Carleton College
Serc: Observing Living and Nonliving Components of an Ecosystem With a Partner
In this biology field lab, learners will observe a square foot area of an ecosystem surrounding our elementary school. The students will keep a journal to record the physical elements of the ecosystem which they will visit monthtly. The...
McGraw Hill
Glencoe Biology: How Organisms Obtain Energy: Self Check Quiz
Try these five multiple-choice questions to review how living things obtain energy.
McGraw Hill
Glencoe Biology: The History of Classification: Self Check Quiz
Answer these five multiple-choice questions about the history of classification of living things. After answers are submitted, students can review their mistakes.
Estrella Mountain Community College
Online Biology Book: Chemistry I: Atoms and Molecules
In this online biology textbook, learn about atoms and molecules as they relate to life. Find out about topics such as electrons and energy, chemical bonding, and chemical reactions.