PPT-Dichotomous Keys:

a set of paired statements that describe physical characteristics of different organisms Dichotomous Key Name that potato chip Now its Your Turn to Practice using a dichotomous key. The key on this page was designed to identify common objects Discover the silly scientific name of each object 1a Item is 10 cm or more in any dimension go to 2 1b Item is less than 10 cm in any dimension go to 5 2a Item has wooden parts go to 3 277V 48 17, 2011 D P E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V EP E R S P E C T I V E Sensitivity and specificity are two components that measure the inherent va . Dichotomous Key. What: A dichotomous key is a series of questions, each with only two answers. . Who: Scientists. Where: All over the World. When: If you need to identify an unknown organism. Why: To help identify an organisms genus and species. TEKS 7.11A . Examine organisms and use dichotomous keys for identification. DICHOTOMOUS KEYS. A dichotomous key is a device that can be used to easily identify an unknown organism. . DICHOTOMOUS KEYS. a set of paired statements that describe physical characteristics of different organisms. Dichotomous Key: Name that potato chip!. ?. ?. ?. ?. ?. ?. ?. Now it’s Your Turn to Practice using a dichotomous key!!. Kingdoms, Domains, and Dichotomous Keys. Kristen Hayes 100422726. Cameron . Yakeley. 100429008. Agenda . Introductory Activity - Classifying Aliens!. The History of Taxonomy and Linnaean Taxonomical . Nadia . Heninger. . . . Zakir. . Durumeric. . . . Eric . Wustrow. . J.. . . Alex. . Halderman. Presented by . Ganbi. . Outline. Problem: Bad Keys. Why Should You Care?. Defenses. Questions. Horticulture. Word first used in 1600. ’. s. Comes from two Latin words. Hortus. . “. Garden. ”. Cultura. . “. Cultivation. ”. Horticulture means . “. cultivated garden. ”. or . “. Presented by John . Shu. Shouhuai. . Xu. and Keith . H. arrison. UTSA, Dept. Computer Science. Outline. Introduction. Threat Assessment . Understanding the Attack. Countering Memory Disclosure Attacks. http://nationalzoo.si.edu/Education/ConservationCentral/walk/walk4.html. Trees. 1). 2). 3). 4). Directions:. After visiting the “Virtual Dichotomous Key Activity” website (previous slide), document the names of each tree. Be sure to look at the previous slide to see what number corresponds to which tree on the website. Your answers can be . TEKS 8.11C (R), 7.11A (S), 7.12B (S), 7.12D (S), 7.12F (S), 7.14B (S), 7.14C (S), 6.12D (S). © Hedgehog Learning. Traits and Environmental Changes. © Hedgehog Learning. Why did the environmental changes in the early 1900’s in England cause the “gray” peppered moth to decline, but the “black” peppered moth increased in population?. Please sit down if you:. Are taller than 5’9”. Have blonde Hair . Have brown Eyes. Are left-Handed. Why Classify?. To study the diversity of life, biologists use a . classification . system to name organisms and group them in a logical manner. & Resilience. Homework. Review pp. 8-23 in your textbook and answer . 1.1 even questions. 1.2, questions 1, 3, 5. Define: . unicellular. & . multicellular. prokaryotic. & . eukaryotic . When a biologist wants to identify a plant or animal they have found, they often use an identification key which contains the major characteristics of groups of organisms. . A . dichotomous key. is one type of identification key. The term dichotomous means "divided into two parts or categories”. .