Dichotomous keys are based on characteristics and uses process of comparison and elimination to identify the species. Copyright 2010 Ryan P.
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1 Dichotomous keys are based on characteristics and uses process of comparison and elimination to identify the species.
2 Which shark fin fits the following description? Tail not separated into a top and bottom fin. End of tail is blunt instead of pointy?
3 Which shark fin fits the following description? Tail not separated into a top and bottom fin. End of tail is blunt instead of pointy?
4 Which shark fin fits the following description? Tail not separated into a top and bottom fin. End of tail is blunt instead of pointy?
5 Which two shark fins fit the following description?
6 Which two shark fins fit the following description? Upper part of tail extends far beyond the bottom. Tip of top tail fin curved.
7 Which two shark fins fit the following description? Upper part of tail extends far beyond the bottom. Tip of top tail fin curved.
8 Which shark fin fits the following description? Trunk before tail fin has small fin.
9 Which shark fin fits the following description? Trunk before tail fin has small fin.
10 Use constant characteristics rather than ones that disappear or vary with the season or other environmental factor.
11 Use constant characteristics rather than ones that disappear or vary with the season or other environmental factor.
12 Use characteristics which can be directly observed.
13 Use characteristics which can be directly observed. Black and White color with orange around neck
14 Use characteristics which can be directly observed. And they love each other
15 Use characteristics which can be directly observed. And they love each other
16 Use characteristics which can be directly observed. And they love each other They form mating pairs is a better description.
17 What is a big insect to you?
18 What is a big insect to you?
19 What is a big insect to you?
20 Use quantitative (numbered) measurements with an amount or dimension rather than vague terms like
21 Use quantitative (numbered) measurements with an amount or dimension rather than vague terms like "big" and "small."
22 Use quantitative (numbered) measurements with an amount or dimension rather than vague terms like "big" and "small."
23 Use quantitative (numbered) measurements with an amount or dimension rather than vague terms like "big" and "small."
24 Rules to Follow When Using a Dichotomous Key Always read both choices, even if the first seems to be the logical. Understand the meaning of the terms involved in the key. When measurements are given, use a scale to measure the specimen. Do not guess at a measurement. Living things are always variable, so do not base your organism identification in the field on a single observation.
25 Rules to Follow When Using a Dichotomous Key Always read both choices, even if the first seems to be the logical. Understand the meaning of the terms involved in the key. When measurements are given, use a scale to measure the specimen. Do not guess at a measurement. Living things are always variable, so do not base your organism identification in the field on a single observation.
26 Rules to Follow When Using a Dichotomous Key Always read both choices, even if the first seems to be the logical. Understand the meaning of the terms involved in the key. When measurements are given, use a scale to measure the specimen. Do not guess at a measurement. Living things are always variable, so do not base your organism identification in the field on a single observation.
27 Rules to Follow When Using a Dichotomous Key Always read both choices, even if the first seems to be the logical. Understand the meaning of the terms involved in the key. When measurements are given, use a scale to measure the specimen. Do not guess at a measurement. Living things are always variable, so do not base your organism identification in the field on a single observation.
28 Rules to Follow When Using a Dichotomous Key Always read both choices, even if the first seems to be the logical. Understand the meaning of the terms involved in the key. When measurements are given, use a scale to measure the specimen. Do not guess at a measurement. Living things are always variable, so do not base your organism identification in the field on a single observation.
29 Wacky People activity Use a dichotomous key to find the names for various humanoids. Assignment is to correctly identify each character with the correct name.
30 Activity! Wacky People Available Sheet Use a dichotomous key to find the names for various humanoids. Assignment is to correctly identify each character with the correct name.
31 Start here every time Y / N and then go where directed until you find the species name.
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34 Patterned Mulywumpus Lugio Wirum Eggur Ondy Tri D. Duckt Elle E. Funk C. Nile Tunia petalos Rita Nita Cue Kide Grif Leon Mosk Cara Quadrumenox Giggles Hex Oculate Ru-ela Brella
35 Activity! Guess Who Create a series of questions to find the three members of the class that I have written on note cards. Use yes / no questions based on characteristics.
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37 Optional (Easier) Make your own dichotomous key. Snig Wiggles Octopig Elfy Piggly Rightback
38 Activity Worksheet! Salamander (Order Caudata) Dichotomous Key. Use a dichotomous key to identify salamanders
39
40 Slimy Salamander Jefferson Salamander Spotted Newt Two Lined Mud puppy Tiger Four toed Red-backed Siren Marbled
41 Classification uses
42 Homology: Similarities between organisms
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54 Embryology the study of the homology between the embryos of different species.
55 Embryology the study of the homology between the embryos of different species. An embryo is an unborn (or unhatched) multicellular eukaryote in its earliest stages of development
56 Embryonic homology
57 Embryonic homology
58 Embryonic homology
59 Embryonic homology
60 Embryonic homology
61 Embryonic homology
62 Embryonic homology
63 Embryonic homology
64 Embryonic homology
65 Embryonic homology
66 Embryonic homology
67 Embryonic homology
68 Embryonic homology
69 Embryonic homology
70 Embryonic homology
71 Embryonic homology
72 Embryonic homology
73 Embryonic homology
74 Embryonic homology
75 Embryonic homology
76 Embryonic homology
77 Embryonic homology
78 Embryonic homology
79 Embryonic homology
80 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
81 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
82 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
83 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
84 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
85 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
86 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
87 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
88 Which of the following is a blastula (early embryo) of a sea urchin, starfish, frog, and human
89 Which of the embryos below is a human, chicken, fish, and cat? Human
90 Which of the embryos below is a human, chicken, fish, and cat? Human
91 Which of the embryos below is a human, chicken, fish, and cat? Human
92 Which of the embryos below is a human, chicken, fish, and cat? Human
93 Which of the embryos below is a human, chicken, fish, and cat? Human
94 Which of the embryos below is a human, chicken, fish, and cat? Human
95 Which of the embryos below is a human, chicken, fish, and cat? Human
96 Which of the embryos below is a human, chicken, fish, and cat? Human
97 DNA: Similar genes aid in classification
98 DNA provides insight into how similar and how different organisms are.
99 DNA provides insight into how similar and how different organisms are. This allows taxonomist to classify organisms more accurately.
100 DNA provides insight into how similar and how different organisms are. This allows taxonomist to classify organisms more accurately.
101 Humans and Chimpanzee share 94% of the same genes.
102 Humans and Chimpanzee share 94% of the same genes.
103 Humans and Chimpanzee share 94% of the same genes.
104 Humans and Chimpanzee share 94% of the same genes. We can get a blood transfusion from a chimp.
105 Red Pandas
106 Red Pandas and Giant Pandas
107 Red Pandas and Giant Pandas both eat bamboo.
108 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to
109 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to Red Pandas more closely related to
110 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to Red Pandas more closely related to
111 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to Red Pandas more closely related to
112 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to Red Pandas more closely related to
113 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to Red Pandas more closely related to
114 Red Pandas and Giant Pandas both eat bamboo. Giant Pandas are more closely related to Red Pandas more closely related to
115 The 8 Taxonomic ranks. All living things have 8 names. From broad to narrow, 1) Domain 2) Kingdom 3) Phylum 4) Class 5) Order 6) Family 7) Genus 8) Species
116 Remember Dear King Phillip Came Over For Good Spaghetti
117 Domain - Dear
118 Kingdom - King
119 Phylum - Phillip
120 Class - Came
121 Order - Over
122 Family - For
123 Genus - Good
124 Species Spaghetti
125 Do you remember the order? 1) Domain - Did 2) Kingdom - King 3) Phylum - Phillip 4) Class Come 5) Order - Over 6) Family - For 7) Genus - Good 8) Species Spaghetti
126 Answer! 1) Domain - Dear 2) 3) 4) 5) 6) 7) 8)
127 Answer! 1) Domain - Dear 2) Kingdom - King 3) 4) 5) 6) 7) 8)
128 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) 5) 6) 7) 8)
129 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) Class Came 5) 6) 7) 8)
130 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) Class Came 5) Order - Over 6) 7) 8)
131 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) Class Came 5) Order - Over 6) Family - For 7) 8)
132 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) Class Came 5) Order - Over 6) Family - For 7) Genus - Good 8)
133 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) Class Came 5) Order - Over 6) Family - For 7) Genus - Good 8) Species Spaghetti
134 Answer! 1) Domain - Dear 2) Kingdom - King 3) Phylum - Phillip 4) Class Came 5) Order - Over 6) Family - For 7) Genus - Good 8) Species Spaghetti From general to specific
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142 Which of the following organisms below are not of the Kingdom Animalia?
143 Answer Which are not of Phylum Chordata?
144 Answer Which are not in the Class Mammalia?
145 Answer Which are not in the Order Rodentia?
146 Answer Which are not in the Family Sciuridae?
147 Answer Which are not in the Genus Scuirus?
148 Answer Which are not in the species vulgaris?
149 Answer Sciurus vulgaris
150 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
151 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
152 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
153 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
154 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
155 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
156 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Mammalia Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
157 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
158 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class -Chordata Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
159 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
160 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
161 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
162 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
163 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
164 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
165 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
166 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
167 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
168 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
169 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
170 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
171 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
172 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
173 Taxanomic Name: Domain -Eukarya Kingdom -Animalia Phylum Chordata Class Mammalia Order Rodentia Family Sciuridae Genus Sciurus Species -vulgaris
Classification is the grouping of objects based on similarities. Examine the evolutionary basis of modern classification systems.
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Classification Classification Classify to group things together based on similarities Why Classify? To make organisms/items easier to identify To make organisms/items easier to compare Allows us to predict
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