Curated OER
Natural Selection
Biology learners tackle evolution-related concepts when viewing this collection of slides. There are no graphics or photos, just notes in bullet-point style detailing adaptations, evidence for evolution, mechanisms for change, and types...
Curated OER
Producing a Strain of E. coli that Glows in the Dark
Students observe the experimental process called bacterial transformation and demonstrate phenotype changes in bacteria that have been transformed with an antibiotic-resistance gene and a metabolic marker. They create a luminescent...
Serendip
Understanding and Predicting Changes in Population Size – Exponential and Logistic Population Growth Models vs. Complex Reality
Salmonella poisoning impacts over 200,000 people in the United States each year. Scholars learn about the growth of these bacteria using multiple approaches. Then they apply the same growth calculations to endangered species and think...
Howard Hughes Medical Institute
Measuring Biodiversity in Gorongosa
Take your biology class' understanding of biodiversity to a whole new level! Ecology scholars use data to calculate three different diversity indices based on the organisms in the Gorongosa National Park. The four-part activity uses an...
Curated OER
Population Ecology
Here are some ideas to help students understand population growth in ecosystems.
Curated OER
Analysis of Data
Learners analyze DNA banding patterns for similarities and differences among individuals and between populations. They examine individual prepared gels then pool the class data to come to an overall conclusion.
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Population Biology
In this population worksheet, students will determine if 12 statements about demographic trends, including the effects of birth and death rates on populations, are true or not. Then students will match 6 population growth vocabulary...
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Understanding Human Population Growth
You can help students learn about the causes and consequences of our rapidly growing global population
Curated OER
Population Biology
In this population worksheet, students will use a table with information about the birth rates and death rates from different countries around the world to complete 4 short answer questions.
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Flower Population
In this flower population worksheet, high schoolers use a diagram of first and second generations of a flower population to complete 2 short answer questions about genotype and allelic frequency.
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Oyster Gardens - No Soil Required!
Explore the practice of oyster gardening. Because oysters play a vital role in marine ecosystems and their populations have declined, biologists are transplanting oyster seed to repopulate reefs. After learning about this practice,...
Curated OER
The Influence of Human Activity on the Environment
The surge in human population in the last 2,000 years, due in large part to better health care, has brought a surge in the demand for resources and in pollution. The graphics, photographs, and real-life examples in a thought-provoking...
Curated OER
Wildlife
First, biology pupils research land and marine habitats along the route of skipper Rich Wilson's Great American II. Then, using colored paper clips scattered across a colored paper background, they play the predator-prey game to...
Curated OER
Biological Succession in a Microecosystem
High schoolers investigate the concept of biological succession by simulating the process in a microenvironment with various microorganisms. By engaging in a lab, students determine the factors causing succession and learn population...
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Populations and Ecosystems
Sixth graders examine the factors that influence the stability of ecosystems. They construct a miniature ecosystem in a jar that includes plants, small fish, and snails, record the population changes over a period of four weeks, and...
Curated OER
Biology Word Search Puzzle
In this biology word search worksheet, students search for 29 words that are located in a word bank at the bottom of the page. They find words such as chromosomes, alleles, DNA, and populations.
Curated OER
Environmental Limitations
Seventh graders study the environmental factors that affect population growth. In this biology activity, 7th graders create a city following certain criteria. They present their posters in class.
Curated OER
Niches and Adaptations
Young scholars present information about a species, its niche, and adaptations. For this lesson on animal environments, students explore how surroundings can affect a given population resulting in adaptation.
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Grasshopper Mark and Recapture (GMR)
Students estimate the density of a population of insects (grasshoppers) at a given life cycle stage in a given type of habitat.
Curated OER
Pandemics and Epidemics
Young scholars evaluate data related to population growth, along with problems and soultions: disease cvontrol. They are able to explain how changes in habitat may affect organisms. Students evaluate evolutionary theories and processes.
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Genetic Drift
Students use a mathematical simulation of genetic drift to answer questions about the factors that influence this evolutionary process. They run a series of simulations varying allele frequency and population size and then analyze their...
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Giraffe Riff Raff
Students study the effects of wildlife conservation and relocation. In this conservation lesson students view video on the preservation of the giraffe populations and discuss the impact that humans have had on them.
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The Loneliest Animals
Students examine the different species that are headed towards extinction. In this animal population lesson students compare the causes of extinction, research an endangered species and present an oral report.
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Population Dynamics of Growth of Drosophila
High schoolers investigate population dynamics such as variation in density of females, composition of food sources an environmental factors such as light and temperature on Drosophila. They then relate their findings to human...
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