Curated OER
Carrying Capacity
Young biologists identify how plants and animals are affected by changes in their ecosystem and environment. The concepts of succession, maintenance of habitats, interrelationships, and adaptation are all discussed. This well-developed...
Howard Hughes Medical Institute
Color Variation over Time in Rock Pocket Mouse Populations
A species-specific look at natural selection, the resource herein examines how adaptations have helped the population of rock pocket mice survive in a changing landscape. To begin, middle or high schoolers watch a 10.5 minute video,...
Virginia Department of Education
Changes in Ecosystems
How does water pollution affect the environment? Provide your class with the resources to answer this question as they learn about eutrophication and ecosystem changes. Over two weeks, they simulate the effects of pollution on the...
Curated OER
Changing Planet: Withering Plants - Stressing Over Lost Water
Expectant earth scientists examine the bottom side of a leaf and learn the role of the stomata. They consider the gas exchange that occurs through these structures and relate how the climate is changing to its impact on food crops. This...
Curated OER
Polar Bears in Peril - Climate Change Culprit?
Students explore the changes in sea ice over several years. In this life science instructional activity, students review and examine 20 years of data. They use Excel to graph data and analyze trends.
Curated OER
AP: Chapter 23: The Evolution of Populations
How and why do populations change over time? AP biology aces explore this question by completing this assignment. They write the answers to 21 questions regarding population genetics, stability, genetic drift, polymorphism, and selection.
Howard Hughes Medical Institute
Gorongosa: Making Observations Activity
Do you have young scientists wanting to make new discoveries rather than just completing the same experiments? Young scientists use their observational skills to identify animals and patterns in animal behavior. Through tracking...
Howard Hughes Medical Institute
Got Lactase? The Co-Evolution of Genes and Culture
Does the human body evolve as quickly as human culture? With a stellar 15-minute video, explore the trait of lactose intolerance. Only about 1/3 of human adults seem to still have the enzyme lactase and therefore, the ability to digest...
Wordpress
Darwin’s Natural Selection Case Studies
This editable worksheet is set up so that biology pupils read four case studies and identify points that are present in each, such as overproduction, heritable variation, struggle to survive, and differential reproduction. They also...
Biology Junction
Introduction to Biology
Welcome to Biology! Introduce pupils to a subject conceptualized by Aristotle in 300 BC through a presentation and worksheet. It covers the themes of biology, characteristics of life, the scientific method, microscopes, and measurements.
Curated OER
Don’t Cry Over Spoiled Milk!
Seventh graders explore how milk spoils over time. In this biology activity, 7th graders discover how pH changes as microorganisms enter the food and multiply. They explain the benefits of pasteurization process.
Serendip
Changing Biological Communities – Disturbance and Succession
After cutting down a forest to make a farm, how long would it take the environment to turn an abandoned farm back into a forest? Scholars study this exact scenario while they interpret many charts and graphs of the changing ecosystems as...
Anthropological Association
Race: Teacher Guide: Race
How has the concept of race changed over time? Explore the genetic, cultural, and social aspects of race through a series of impactful activities. Scholars discover how race is influenced by inherited traits, examine census records to...
Curated OER
Climate Change Effects on Organisms and Ecosystems: You are the Experts!
Seventh graders research about the effect of climate on different ecosystems. In this life science lesson, 7th graders present their research by creating a poster, infomercial, skit or song. They discuss how organisms adapt to climate...
Utah Education Network (UEN)
Utah Open Textbook: 7th Grade Science
Physical and biological factors affect everyday living. Scholars explore electromagnetic forces, motion, the rock cycle, and geological changes. They examine cells as the building blocks of life and how organisms reproduce using images...
Channel Islands Film
Once Upon a Time (Sa Hi Pa Ca): Lesson Plan 3
What was the most significant tool used by the Chumash? How did the environment make the tool possible? What group behaviors allowed the Chumash be be successful for thousands of years? After watching West of the West's documentary Once...
Curated OER
The Changing Coral Reef
Learners record changes in the composition of a coral reef. In this Coral Reef lesson, students recognize the needs of Coral Reef species to survive. Learners chart changes in population over time. Students write an essay about factors...
University of California
Hot! Hot! Hot!
Calories are not tiny creatures that sew your clothes tighter every night, but what are they? A science lesson, presented at multiple levels, has learners experiment with heat, heat transfer, and graph the function over time. It also...
Teach Engineering
Grow Your Own Algae!
Develop a model of a wastewater treatment center. The last activity of the unit has pupils mix a lake water sample into a tank of water containing fertilizers. Over time, the algae from the lake water grows and removes the nutrient-rich...
Curated OER
Fossils and Geologic Time
Learners explore the development of the geologic time scale. They examine the major time periods in earth's history. Students discuss the role fossils play in helping us understand history.
Curated OER
Changes in Nature
Fifth graders identify the chemical and physical changes in the water cycle, carbon cycle, and the effects of weathering. They analyze the periodic table, and observe how vinegar reacts with limestone in a chemical reaction that causes...
Curated OER
The Effect of Natural Selection on Genes, Traits and Individuals
Rotating through five stations, evolutionary biologists explore the question of how changes in DNA facilitate the changes in a population over time. High-quality, colorful cards of animals, skeletons, skulls, and DNA sequences can all be...
Curated OER
Speedy Succession
Fifth graders investigate how a pond ecosystem can change into a prairie or grassland ecosystem. They observe a small pond ecosystem in a two liter soda bottle, and examine and record changes over a two-week period of time on a worksheet.
Michigan Sea Grant
Survival Game
Musical chairs may be a classic game, but Ruffe Musical Chairs is a unique lesson on invasive species! Using the time-honored game, pupils role play the behaviors of the invasive fish called Eurasian ruffe. Learning about this aggressive...