CK-12 Foundation
Ck 12: Life Science: Water Cycle
[Free Registration/Login may be required to access all resource tools.] Water and elements like carbon and nitrogen are constantly being recycled through the environment. This process is called a biogeochemical cycle because it involves...
Vision Learning
Visionlearning: Food Chemistry: Carbohydrates
Read about carbohydrates, which make up one of the three "Major classes of macronutrients that are essential to living organisms." In addition to defining several terms, including carbohydrate, simple sugars, complex carbohydrates,...
Concord Consortium
Concord Consortium: Molecular Workbench Showcase: The Tree of Life's Molecules
Explore macromolecules and the smaller molecules that make up living organisms in this module.
CK-12 Foundation
Ck 12: Life Science: Importance of Biodiversity
[Free Registration/Login may be required to access all resource tools.] Biodiversity is a measurement of the amount of variation of the species in a given area. More specifically, biodiversity can be defined as the variety of life and...
CK-12 Foundation
Ck 12: Life Science: Competition
[Free Registration/Login may be required to access all resource tools.] Ecology is the study of how living organisms interact with each other and with their environment. Organisms interact with each other through various mechanisms, one...
Smithsonian Institution
Smithsonian National Zoo
Here is the National Zoological Park right at our fingertips. Students will find many things to explore at this colorful and engaging site. Any study of animals will have a successful start here. Chances are students can catch their...
ClassFlow
Class Flow: Biomes of the World
[Free Registration/Login Required] This flipchart contains a Life Science lesson for students in grades 7-8. It was specifically designed to assist ESL students read, pronounce, and understand the meanings of key concepts presented in...
Alabama Learning Exchange
Alex: Biodiversity: Local Ecosystem & Food Web
This is a hands on lesson in which students will explore their local community to identify living things. It can be used as part of a unit on biodiversity and energy transfer within a biology, zoology, or environmental science course, or...
Alabama Learning Exchange
Alex: Taxonomy: The Importance of Classifying
This is a technology-based, hands-on Biology instructional activity used to introduce the topic of Taxonomy and the importance of classifying. Learners will listen to a podcast about classifying every living thing on Earth. Students will...
Other
Evidence for Evolution: Genetic Code
These pages are part of a site called Evolution that accompany a textbook by the same name. Mark Ridley is the author. In this section: the universal genetic code provides evidence that life has a common ancestor.
CK-12 Foundation
Ck 12: Life Science: Ecosystems
[Free Registration/Login may be required to access all resource tools.] Ecology is the study of ecosystems. That is, ecology is the study of how living organisms interact with each other and with the nonliving part of their environment....
Other
Alternative Classifications of Life
The Linnaean system (1758) classified all macroscopic living organisms as either Animals or Plants, based on whether they moved [anima, with a soul] or not. Thus, Fungi were included as plants. With the invention of the microscope and...
ClassFlow
Class Flow: Plant and Animal Cells
[Free Registration/Login Required] This flipchart is intended to introduce plant and animal cells to fifth graders. Pictures, a web link, and several opportunities for student participation are included. An end-of-lesson assessment is...
Soft Schools
Soft Schools: Classification Quiz
Take this interactive, multiple-choice quiz over classification of organisms, then review your score and any missed questions at the end.
Soft Schools
Soft Schools: Life Sciences Quiz
Take an interactive, multiple choice quiz over life science careers. After completing the quiz, check your score, and then revisit any incorrect question for further review.
CK-12 Foundation
Ck 12: Life Science: Respiratory System Health
[Free Registration/Login may be required to access all resource tools.] Many of the diseases related to smoking are called lifestyle diseases: diseases that are caused by choices that people make in their daily lives. For example, the...
Curated OER
Brooklyn College: Complexity
A nice introduction to the idea that living things are highly organized at several different levels. Great as an introduction to biological complexity.
Curated OER
Brooklyn College: Complexity
A nice introduction to the idea that living things are highly organized at several different levels. Great as an introduction to biological complexity.