Curated OER
Species Identification Using Dichotomous Keys
To help your students unlock the wonderful world of living things, teach them to use a dichotomous key.
Curated OER
Creating a Dichotomous Key for Amphibians
Learners are introduced to the purpose of dichotomous keys and create one together as a class. In groups, they use a digital atlas to examine the different types of amphibians in Idaho. Using this information, they make their own...
Curated OER
Dichotomous Key 2
Students use a dichotomous key to identify unknown fictitious organisms in an assessment designed to be used after a discussion on the use of a dichotomous keys has occurred. Follow up questions about key included.
ARKive
Species Discovery
How do you classify a newly discovered species? Learners view a presentation and complete research about biodiversity and the classification hierarchy. The lesson includes activities with dichotomous keys and work on classifying both...
Curated OER
Creating a Dichotomous Key for Families of Idaho Butterflies
Students are shown how to use the butterfly section of the Digital Altals of Idaho. They discuss how to make a dichotomous key. Students use their skills of observation and recognize defining characteristics that distinguish different...
Curated OER
Building a Dichotomous Key
Pupils analyze how a dichotomous key helps us explain and identify unknown organisms. They design and construct a dichotomous key, developing a list of three observable characteristics per organism.
Curated OER
Regents High School Examination: Living Environment 2010
This exam touches upon every topic within the typical first year biology course.. A broad variety of question styles give high schoolers every opportunity to show what they know. Why start from scratch when a comprehensive final exam is...
Curated OER
Classification: Dichotomous Key
Students investigate the classification process and nomenclatures used for classifying organisms. They study dichotomous keys to identify organisms with 90% accuracy. Students organize information regarding the relatedness of species.
Curated OER
Collecting and Classifying Pollen
Students collect and analyze pollen from different species of plants. In small groups, they classify pollen according to shape, size and physical characteristics. They draw the basic anatomy of flowering plants and create a dichotomous...
Virginia Department of Education
A Dichotomous Key of Virginia’s Native Plants
Can your class correctly classify plant species? Individuals explore native plants of the local environment and correctly classify them into their respective categories. They investigate differences in the plants and discuss similarities...
Curated OER
Classification: Dichotomous Key
Young scholars explain the classification process of organisms. In this biology lesson plan, students practice writing the names of organisms scientifically. They answer the dichotomous key and discuss answers as a class.
Curated OER
Classification of Cerealites
Students create a dichotomous key. In this categorizing lesson, students create a dichotomous key for different types of cereal. Students classify the cereal into groups such as flakes and cereal with holes. Students discuss their...
Curated OER
What's That Tree?
Fifth graders identify trees along a nature trail. Using a dichotomous key, 5th graders answer questions to aid in their identification of trees along a specified nature trail. Observations are recorded in their science journals. Sample...
Curated OER
Classification and Binomial Nomenclature
Students practice identifying different groups of living organisms using a dichotomous key. Students also examine the history of an organism and its lineage by writing a paragraph about it and "three generations" of ancestors.
NOAA
Vertebrates II
Mammals of the ocean unite! Or not. The 20th installment of a 23-part NOAA Enrichment in Marine sciences and Oceanography (NEMO) program investigates how warm-blooded marine mammals survive in water. In the class activity, learners use...
Curated OER
Taxonomic Keys
Seventh graders create their own dichotomous key. In this biology lesson, 7th graders classify animals based on their observable features. They explain how to use their dichotomous key.
Biology Junction
Classification of Life
Did you know scientists identify more than 13 billion species of organisms, and they discover more almost every day? An interesting presentation demonstrates how scientists keep track of so many species. It also shows how they...
Curated OER
The Food Pyramid
Fourth graders plan a variety of nutritional meals using the USDA's Food Guide Pyramid as a reference and analyze food labels to plan their meals. They examine and discuss the Food Pyramid, and create dichotomous keys separating food...
Curated OER
Reptile Identification Exercise
Students are shown how to use the Digital Atlas of Idaho. They use a dichotomous key to identify species of Idaho reptiles. Students describe some basic life characteristics of reptiles. They use th visual key to identify the species...
Michigan State University
Bug Lyphe!
Introduce ecology classes to biodiversity and interdependence in ecosystems with a PowerPoint presentation. Then, they get up-close and personal with the invertebrate world by collecting insects, classifying them, and graphing their...
Michigan Sea Grant
Fish Identification
Using a dichotomous key, pupils identify characteristics of fish who live in the Great Lakes and explain how these features help them survive. In small groups, class members discover what features scientists consider important and...
Curated OER
Reading the River - Biological Classification
Youngsters create a list of grocery store items and then work together to categorize them as if they were setting up the shelves of the market. Then they are given a box of miscellaneous objects to practice categorizing. With these two...
Curated OER
Fun with Fictitious Animals
How can one differentiate between a dweezlebub and nessie? Use this fictitious creature dichotomous key to find out! Biologists of all ages will enjoy this creative way to learn about classification, including a chance to draw the...
Chicago Botanic Garden
Impacts of Climate on Forest Succession
Part two in a series of four explores the effects of climate on succession or the changing of plant species in a forest. Groups review how to identify trees and then spend a day in the field collecting extensive data on trees to...