Search results for: “apa”
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Case Study – Carrying Capacity and Rabbits
Explore the factors driving the exponential growth of rabbit populations. Students learn about boom and bust cycles and carrying capacity in this case study.
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Explore Limiting Factors and Carrying Capacity
Explore how limiting factors affect population growth. Students learn the definition of a limiting factor and apply it to several scenarios.
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Investigation: What Factors Affect Lung Capacity
In this investigation, students use balloons and rulers to estimate the vital capacity of lungs using test subjects within the class. To perform the test, subjects take a deep breath and blow into a balloon. The diameter is measured and a graph is used to estimate the volume of air expelled based on the diameter…
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The Ant Odometer – Data Analysis
Have you ever thought about how ants navigate the world? Some ants use pheromones or other chemicals to follow trails. Other ants have a novel way of finding their way home; they count steps!How do these little biological Fitbits do this? How did scientists confirm that the ants counted steps? In this research study, scientists…
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The Crayfish Project – Ecology and Anatomy
Student project on crayfish which includes learning about crayfish ecology, invasive species, and food webs. Dissect a crayfish specimen to learn anatomy!
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Case Study – Effects of Coyote Removal in Texas
Examine data from an experiment where coyotes were removed from test sites. Evaluate the effects on rodents and mesopredators.
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Reinforcement: The Chemistry of Life
A reinforcement worksheet on the chemistry of life. Practice vocabulary on atoms, molecules, macromolecules, and properties of water.
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Explore the Evidence for Evolution
Discover the evidence of evolution with this worksheet. Explore fossil records, comparative anatomy, genetics to understand how species have evolved over time.
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Enzyme and Substrate Concentrations
Students examine graphical models of enzyme and substrate interactions showing how the speed of reactions changes with concentration.
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Ecology Case Study – The Wolves of Isle Royale
Case study explores the interactions of wolves and moose on Isle Royale. Students examine data on population growth and spinal deformities caused by inbreeding.
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Investigation: Explore the Anatomy of a Crayfish
Students examine the external anatomy of a crayfish, focusing on the body plan, mouthparts, and the appendages. Includes instructions and labeling.
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Exploring Senescence and the Hayflick Limit (CER)
Students explore cell senescence and the Hayflick limit in this activity. Short reading sections with questions are included with a graph to analyze.
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The Beak of the Finch (HHMI) Video Worksheet
Video worksheet for “The Beak of the Finch” at HHMI Biointeractive. Includes questions that follow video and a graph to analyze.
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Investigation: Properties of Water with Lab Stations
Lab station activity that explores the properties of water, such as cohesion, adhesion, polarity, and surface tension. Students complete tasks at each stations and summarize observations.
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Identifying Penguin Species with Restriction Enzymes
In this simple exercise, students simulate how restriction enzymes and gel electrophoresis can be used to identify different species of penguins.