Curated OER
Dichotomous Keys
Students define the word dichotomous and explain why a dichotomous key is a useful tool in identifying different species. Then they look up words they are unfamiliar with or mollusk reference books so students can
learn the names of...
Curated OER
Do You Have the Key?
Students practice using a dichotomous key. In this classification lesson, students read an article about scientific exploration and identification of new species. They use a dichotomous key to identify objects and create their own key.
Curated OER
Mollusk Matching
Students look carefully at shells and observe the differences between
species and the names of common shells. Then they identify and complete a Mollusk Matching handout included in the lesson and write the letter of each shell in the...