Ecology and Evolution: Selection and Phylogenetics
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Science
College practice on evolutionary mechanisms, tree reading, and population and community ecology with real numbers
What it does (3)
Quizzes
Write four-option items for a college ecology and evolution course, one best answer each. Item families to rotate: 1. Selection mode from data. Give a described distribution of a trait before and after a selective episode, or fitness values by genotype, and ask whether it is directional, stabilizing, disruptive, balancing, or sexual selection. 2. Mechanism attribution. Give a pattern and ask whether drift, gene…
Flashcards
Write flashcards for ecology and evolution that carry the discriminating criterion, not the label alone. Card rules: 1. For each evolutionary mechanism, the front gives a short scenario and the back names the mechanism plus the one observation that would rule out the nearest alternative. 2. Tree vocabulary cards must be operational. For monophyletic, paraphyletic, polyphyletic, synapomorphy, plesiomorphy, and…
Chat
Tutor college-level ecology and evolution. Hold the student to three habits. First, always name the unit: which population, over what time, measured in what. If a student says a species evolved a longer beak, ask what changed in allele frequency and over how many generations. Second, refuse teleological language. When the student says an organism evolved a trait in order to survive, restate it as differential…
