McGraw Hill
Glencoe Biology: Cellular Growth: Self Check Quiz
This multiple-choice quiz on cell growth allows students to get hints for each question and check their answers after submitting.
McGraw Hill
Glencoe Biology: Mitosis and Cytokinesis: Self Check Quiz
Five self-checking quiz questions to check student understanding of mitosis and cytokinesis.
Estrella Mountain Community College
Online Biology Book: Biological Diversity: Viruses
Through full-color images and concise information, learn about the intracellular parasites, viruses.
Estrella Mountain Community College
Online Biology Book: Cell Division: Meiosis and Sexual Reproduction
An in-depth reference explaining each stage of meiosis as a part of sexual reproduction. Animated images and diagrams help learners with understanding.
Ohio State University
General Plant Biology: Development: Flowering to Senescence
A good overview of the development of plants. Includes a section on the dormancy of plants that covers the basics.
University of Hawai'i
University of Hawaii: Bryophyte Reproductive Cycle
An explanation of the plants that reproduce by the production of spores. Includes extensive graphics.
BiologyWise
Biology Wise: Photosynthesis and Cellular Respiration
Explains the processes of photosynthesis and cellular respiration in plants. Discusses light-dependent and light-independent reactions in photosynthesis, and glycolysis and aerobic respiration in cellular respiration. The differences...
BiologyWise
Biology Wise: Guide to Aerobic Cellular Respiration and Its Stages
Describes the stages of aerobic cellular respiration and the chemical reactions taking place in each.
Estrella Mountain Community College
Online Biology Book: Biodiversity: Nonvascular & Nonseed Vascular Plants
Photographs, informative tables, and illustrated diagrams help explain the diversity of the plant kingdom in this college-level textbook.
PBS
Pbs Learning Media: The Fate of Carbon
Students examine the importance of carbon and learn about two Earth systems, the solubility pump and the biological pump, which cycle carbon from the atmosphere into the oceans and back again.
NOAA
Noaa: Space Weather Prediction Center: A Primer on Space Weather
The Space Environment Center put together an introduction to our sun and space weather that it creates during it's 11 year weather cycle. Learn about different solar anomalies and the effects they have on earth with pipelines, geologic...
![Ciese: Carbon Imbalance: Algae to the Rescue? [Pdf] Unit Plan](http://lessonplanet.com/content/resources/thumbnails/455842/large/bwluav9tywdpy2symdizmdeyny0xmdcynjyylwcwy3uxni5qcgc.jpg?1674855345 "Ciese: Carbon Imbalance: Algae to the Rescue? [Pdf] Unit Plan")
Center for Innovation in Engineering and Science Education, Stevens Institute of Technology
Ciese: Carbon Imbalance: Algae to the Rescue? [Pdf]
A 95-page learning module that integrates biology, chemistry, and engineering. It includes in-class labs, virtual labs, and engineering design activities. Working with algae, students learn about and investigate how photosynthesis,...
eSchool Today
E School Today: Your Revision Notes on Rocks
Covers the three main types of rocks, different weathering processes, erosion, and the rock cycle.
Estrella Mountain Community College
Estrella Mountain: Cellular Metabolism & Fermentation
This online biology book offers a comprehensive overview of cellular metabolism and fermentation. Content includes a look at glycolysis, anaerobic pathways, and aerobic respiration.
University of California
Regents of the University of California: Amphibia Web
AmphibiaWeb, a site inspired by global amphibian declines, is an online system that allows free access to information on amphibian biology and conservation. This site is filled with amphibian facts, a glossary of terms, species numbers,...
Ohio State University
Ohio State University: Plant Transpiration & Translocation
This is a good explanation of plant water balance issues and carbon fixing cycles. Transpiration processes are explained well with links to additional information.
Encyclopedia of Earth
Encyclopedia of Earth: Nitrogen
Information about the element, Nitrogen, atomic number 14. Covers common chemical transformations, its physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations. Also discusses...
Other
Horseshoe Crabs and Connection to Shorebirds
A description of the link between the horseshoe crab life cycle and shorebird migrations. Worth checking out for information on both kinds of organism.
University of Massachusetts
University of Mass.: Freshwater Mussel Reproduction
This site, which is provided for by the University of Massachusets, gives a very good example of a typical bivalve reproductive cycle.
Khan Academy
Khan Academy: Pyruvate Oxidation
How pyruvate from glycolysis is converted to acetyl CoA so it can enter the citric acid cycle. Pyruvate is modified by removal of a carboxyl group followed by oxidation, and then attached to Coenzyme A.
University of Massachusetts
Beavers in Massachusetts
Physical characteristics, distribution, food, life cycle, and dam and lodge building are the topics featured in this effective beaver site.
Khan Academy
Khan Academy: Prokaryote Interactions & Ecology
Learn about cooperation and "multicellularity" in prokaryotes including mutualisms, commensalisms, parasitisms. Also find out the role of prokaryotes in the carbon and nitrogen cycles.
University of Arizona
U of a Biology Project: Cell Cycle and Mitosis Tutorial
Poses and answers the question, "What is (and is not) mitosis?" An overview with images of the phases of mitosis, plus a mitosis animation.
PBS
Pbs: Plum Landing
Invite students to visit ecosystems around the world with this collection. This collection includes activities for the classroom, after school, and families. Also included is games.