Category: Worksheets
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Cladogram Analysis
A short explanation of phylogeny and using cladograms, where students analyze a diagram, identify derived characters, and then construct their own cladogram.
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Investigation: Owl Pellets
Students open owl pellets to reveal the skeletons and fur of the owl’s last meal, and then reconstruct the skeletons using an bone chart.
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AP Biology – Investigation on Genetics with Plants
A modified AP Lab where students learn to grow plants from a seed, cross pollinate plants and conduct an inquiry investigation about plant genetics.
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How Can DNA Replication Be Modeled?
Hands-on activity uses colored paperclips to model DNA double helix and show how semi-conservative replication takes place.
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Color a Plant Cell and Identify Functions
Students learn the structures found in a plant cell by coloring them according to directions.
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Color a Typical Animal Cell
This worksheet requires students to color a drawing of animal cell according to directions, intended as practice or reinforcement for a unit on cell biology.
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Case Study – Evolution and White Striped Clovers
The production of cyanide by clovers with white stripes is an evolutionary advantage is some environments, but not others.
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Case Study – Cystic Fibrosis
This case study explores the relationship between the cell membrane and breathing difficulties that occur as a result of the genetic disorder cystic fibrosis.
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Mitosis in an Onion Cell
Graphic shows an image of the cells in an onion root tip in various stages of mitosis.
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Squid Dissection for Beginners
External and internal anatomy of the squid with directions for dissection and identifying structures.
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Investigation: Modeling Diffusion
This inquiry investigation requires students to cut agar into 3 shapes (small, medium, large) and compare the rates of diffusion.
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Introduction to the Light Microscope
Students learn to use a basic light microscope by examining the structures and using a prepared slide of the letter “e” to practice focusing.
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Comparing Plant Cells
Students observe onion cells and elodea cells using the light microscope. Students compare structures found in each type of cell and create drawings.
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Observing Human Cheek Cells with a Microscope
In this lab, students use a toothpick to get a sample of cells from the insides of their cheek, stained with methylene blue.
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Growing Sponge Animals
This simple activity provides an introduction to laboratory techniques and data collection. Students measure how a sponge animal toy grows when submerged in cold and warm water.