Sophia Learning
Sophia: Living Organisms and Their Environment
A tutorial podcast providing an overview of the interdependence of organisms in their environment. [1:05]
Scholastic
Scholastic: Study Jams! Science: Ecosystems
A video and a short multiple-choice quiz on the topic of ecosystems, covering biotic and abiotic factors, and the roles organisms play in an ecosystem.
American Museum of Natural History
American Museum of Natural History: Invasive Species O Logy Card
Uncover facts about invasive species by turning over this interactive OLogy card.
CK-12 Foundation
Ck 12: Life Science: 12.11 Habitat and Niche
See how organisms each have their own role in the ecosystem.
PBS
Pbs Teachers: Volcanoes of the Deep
Discuss how individual organisms and groups of organisms interact with each other, and research and classify symbiotic relationships between individual organisms of different species.
BiologyWise
Biology Wise: Examples of Parasitism
Explains what parasitism is and provides a few examples of parasitic relationships.
Science Struck
Science Struck: Examples of Primary Consumers in the Food Chain
Explains what a primary consumer's role in a food chain is and provides examples.
Science Struck
Science Struck: Food Chain in the Tundra Region
Describes the characteristics of a tundra biome, how a tundra food chain compares to a tropical food chain, and what the different trophic levels look like.
BiologyWise
Biology Wise: An Analogy: Biomass Pyramid vs. Energy Pyramid
Explains what biomass and energy pyramids are and provides a table highlighting their differences.
Science Struck
Science Struck: Tropical Rainforest Energy Pyramid and Its Importance
Explains the roles of consumers, producers, and detrivores or decomposers and how energy flows through the different levels of the energy pyramid of a tropical rainforest.
Science Struck
Science Struck: Tropical Rainforest Food Web
Explains what a food web is, the complexity of one in a rainforest, and how energy flows through a food web.
Science Struck
Science Struck: 12 Lesser Known Examples of Intraspecific Competition
Explains what intraspecific competition is and gives examples.
BiologyWise
Biology Wise: Examples of Beneficial Mutation
Not all genetic mutations are harmful. Examples of beneficial mutations are described here.
BiologyWise
Biology Wise: Understanding the Process of Biological Magnification
Biological magnification is the term used to described the increasing accumulation of substances in organisms as one looks at higher trophic levels in a food chain. When that substance is a toxin, such as a heavy metal or a pesticide,...
BiologyWise
Biology Wise: Facts About Autotrophs and Heterotrophs
Explains what autotrophs and heterotrophs are, the several types of each, their roles in an ecosystem's food chains, and the differences between them.
Khan Academy
Khan Academy: Prokaryote Classification and Diversity
Different groups of prokaryotes. Evolutionary relationships of bacteria and archaea. Extremophiles.
CK-12 Foundation
Ck 12: Biology: Interdependence of Living Things
[Free Registration/Login may be required to access all resource tools.] Covers how species interact with each other.
University of California
Ucmp: Introduction to the Carnivora
Nice informational site about the order Carnivora. The opening page lists members of the order and briefly describes relationships between humans and carnivores. It links to pages on evolution of carnivores, the ecological roles of...
CK-12 Foundation
Ck 12: Life Science: Importance of Birds
[Free Registration/Login may be required to access all resource tools.] You are probably familiar with birds as food. Around the world, people consume chicken, turkey, and even more exotic birds, like ostriches. Can you think of other...
Science Education Resource Center at Carleton College
Serc: Investigation a Food Web: Producers, Consumers, and Decomposers
Being field scientists, students will explore a wooded area in their community and journal about their observations. Students will collect information about producers, consumers, and decomposers in the ecosystem. They will then construct...
Annenberg Foundation
Annenberg Learner: The Habitable Planet: Ecosystems: Energy Flow Through
Detailed explanation of the processes by which energy flows through an ecosystem. Scroll down and open Section 3.
TeachEngineering
Teach Engineering: Environmental Interactions
In this activity, students create a "web" to identify and demonstrate the interactions among the living and non-living parts of an environment. This information allows students to better understand what an environment is and to also...
Other
Texas/fossil Rim Wildlife Center
Fossil Rim is a refuge center for endangered species and is located "50 miles southwest of Fort Worth." The site is an excellent resource for classroom teachers and students. It features word games, coloring pages, pictures and...
Better Lesson
Better Lesson: Butterfly Bush Visitors
In this instructional activity, the children learn about how critters depend on the butterfly bush and how the butterfly bush, in turn, depends on it. Common Core writing skills are integrated as they take it to the next step, and create...