American Museum of Natural History
What's This? Leeches
Who actually likes leeches? Meet a scientist that makes his living letting leeches feed on him. Pupils learn about the characteristics of leeches and different variations of the species. The lesson works as a remote learning resource or...
CK-12 Foundation
Symbiosis: Mutualism, Commensalism, and Parasitism
Hyenas normally hunt alone, however scientists discovered that in Israel, hyenas hunt with wolf packs. When relationships develop between different species, we call it symbiosis. The videos teach about the three types of symbiosis and an...
MENSA Education & Research Foundation
Ecosystems
Explore the Earth's different ecosystems through four lessons, an assessment, and extension activities. Lessons include informative text and step-by-step instructions to apply knowledge in interactive, and thought provoking ways; such as...
Busch Gardens
Create an Invertebrate
What better way for young biologists to learn about invertebrates than by creating their very own? Here, students are assigned a set of invertebrate characteristics and are asked to invent an imaginary ocean animal...
Curated OER
Parasite Development and Life Cycle
If you are new to teaching agriculture classes, this outline may be helpful when you are preparing a lecture on parasites in livestock. In addition to lecturing on this topic, the lesson plan suggests that learners research the life...
Curated OER
Oysters Are Habit Forming!
Students examine the relationships within a salt marsh habitat. In this habitat lesson, students examine the various kinds of symbiotic relationships in a salt marsh habitat.
Curated OER
Simulating the Spread of an Infectious Disease
In this health worksheet, students identify various infectious diseases and explore the available options for stopping or preventing the spread of disease. They participate in a simulation experiment on how to measure and prevent. There...
Curated OER
Smallest Thing
Young scholars compare characteristics of myobacteria and viruses to determine which is the smallest life form. They read and discuss an article that presents different viewpoints on the definition of life to determine their own viewpoint.
Curated OER
How Clean Is Our Water?
Students examine samples of water to determine its cleanliness. They visit a waste treatment plant and/or reservoir. Students explore what protects the water supply from contamination by chemical or organize pollution. They trace the...
Curated OER
Water Quality and Temperature
Students are led through three activities to explore the effect of temperature fluctuations on the growth and survival of aquatic plants, clams, and shrimp eggs.
Encyclopedia of Earth
Encyclopedia of Earth: Evolutionary Biology: Symbiosis
Article describes the different types of symbiosis, some of which are of mutual benefit, and others not. It also explains the differences between endosymbiosis and exosymbiosis, where one organism lives either inside or else upon the...