#Make a dichotomous key series

Practice: Select the Virginia vergreens key. Reflect: Why is it important to be able to tell a scarlet kingsnake apart from a coral snake? 5. Texas Venomous Snakes Organism ommon name Scientific name (ctivity continued on next page)Ĥ ctivity (continued from previous page) 4. Use the izmo s dichotomous key to identify all the snakes. Practice: Select the Texas Venomous Snakes key. nalyze: Which traits were used to identify the flowers, and which of these traits did you think were most useful? 3. anadian Rockies uttercups Organism ommon name Scientific name 2. Practice: Use the izmo s dichotomous key to identify all the buttercups. oal: Identify a variety of organisms using dichotomous keys. or example, each dichotomous key in this izmo is used to identify six to eight related species found within a geographic region. Introduction: ichotomous keys are written for small, specific groups of organisms. Think and discuss: What do you think are some limitations of dichotomous keys?ģ ctivity : Identification practice et the izmo ready: Select the anadian Rockies uttercups key. alifornia lbatrosses Organism ommon name Scientific name Short-tailed albatross Phoebastria albatrus 3. Then, identify the other albatrosses included in the alifornia lbatrosses key. Identify: Use the izmo to identify organism. What physical traits do you think can be used to help identify organism? 2. oal: Use a dichotomous key to identify albatross species found in alifornia. or example, some frog species can be identified by their croaks. In some cases, behavioral traits are used in dichotomous keys. The keys in this izmo use only physical traits, such as feather color, to identify organisms. Introduction: s you saw on the previous page, a dichotomous key can help you identify an organism using its characteristics, or traits. What is the scientific name of this albatross?Ģ ctivity : Use a dichotomous key et the izmo ready: Make sure the alifornia lbatrosses key is selected. Scientific names have two parts: the genus name and the species name. If you incorrectly identify the albatross, you can click the Start Over button and try again.

If you change your mind about a choice, you can click the ack button. ontinue until you have correctly identified the albatross. Which of the two statements most closely matches the characteristics of the bird pictured? 2. To begin, make sure alifornia lbatrosses and Organism are selected. The ichotomous Keys izmo allows you to use five different dichotomous keys to identify a variety of organisms.

#Make a dichotomous key series

dichotomous key is a series of paired statements or questions that lead to the identification of an organism.

reliable way to identify organisms is to use a dichotomous key. How could Jerome find out what type of spider it is? izmo Warm-up In the field, scientists often have to identify an unfamiliar organism (living thing). 1 Name: ate: Student xploration: ichotomous Keys Vocabulary: dichotomous key, genus, organism, scientific name, species, traits Prior Knowledge Question (o this OR using the izmo.) Jerome is walking through a park when he sees the spider shown at left.