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Building a Nest text page behavior, engineering, reproduction, birds, structure and function
Who Evolved on First? text page, free, checked genetics, adaptation, critical thinking, misconceptions, evolution, hypothesis, theory, and law, geologic time, fossils
Smell the Flowers text page adaptation, arthropods, plant parts, plants, evolution
Bird Behavior text page food web, Impact of humans, vertebrates, behavior, ecosystem, birds, animals
Eye Shine text page senses, adaptation, reflection, light, reptiles, mammals, animals, anatomy
When Does a Theory Become a Law? text page, free, checked evolution, hypothesis, theory, and law
Toad in the Garden text page, photography, free taxonomy, vertebrates, amphibians, animals, classification
Spotting Mule Deer text page, johnson invertebrates, arthropods, behavior, ecosystem, reproduction, mammals
Cat Lapping text page invertebrates, surface tension, adaptation, observation, model, digestive system, mammals, structure and function, misconceptions, anatomy, water
Fact checking GMOs text page cells, food web, genetics, critical thinking, plant parts, information processing, misconceptions, plants, classification
Spring Birds of Johnson Canyon text page, photography, blog, free observation, seasons, vertebrates, cycles, birds, animals
How Does a Butterfly Fly?swallowtail butterfly text page, free adaptation, arthropods, model, muscular system
Contagious Yawns text page Variables and controls, observation, nervous system, investigations and experiments, hypothesis, theory, and law

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