CK-12 Foundation
Ck 12: Earth Science: Biological Communities Study Guide
Review the relationship between populations and ecosystems.
Other
California State University: Biology Labs Online: Demography Lab
A comprehensive set of virtual experiment assignments where students explore four factors that affect the population demographics of seven countries, including population size and structure, mortality, and birth rate. Includes background...
Ohio State University
General Plant Biology: Plant Evolution
This is a solid review of basic principles of population genetics with an emphasis on plants. Use this to complement your units on evolution and plant biology. Take the quiz to check your understanding.
Vision Learning
Visionlearning: Biology: Adaptation: The Case of Penguins
Instructional module focusing on why species change over time through behavioral and physical adaptations. Discusses how environmental mechanisms influence adaptive evolution. Site also includes an interactive practice quiz and links...
PBS
Pbs Learning Media: Wildlife Biology
In this What's Up in the Environment? video segment, learn how various indicator species are used to monitor the environmental condition of the Everglades.
Khan Academy
Khan Academy: Natural Selection in Populations
How natural selection works at the level of genes, alleles, genotypes, & phenotypes.
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,...
BiologyWise
Biology Wise: Charles Darwin: Introduction to the Theory of Evolution
The main concepts in Charles Darwin's theory of evolution are described, how natural selection works, and the ongoing criticism of evolution from Creationists.
National Health Museum
Nhm: Restriction Maps to Cladograms Lesson
This lesson plan requires students to analyze DNA restriction maps to determine the differences in the sequence for several primates and humans. They then use the information to create a cladogram.
Science Struck
Science Struck: The 6 Chief Levels of Organization in Ecology
Describes six levels of organization in the biological world - individual species, population, community, ecosystem, biome, and biosphere.
Khan Academy
Khan Academy: Allele Frequency & the Gene Pool
Learn how to find allele frequency and how it's different from genotype frequency.
PBS
Pbs Learning Media: La'ona De Wilde: Environmental Biologist
In this video profile produced for Teachers' Domain, meet La'ona DeWilde, an environmental biologist who integrates her Athabascan heritage and her Western scientific training to help remote Alaskan villages address environmental issues.
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