Questions What are the 3 basic goals of Animal Systematics (look in the chapter summary) What are the 3 basic criteria used by Biologists to identify "define" a species. What problems have been identified with the biological species concept? How do other species concepts attempt to overcome these problems? List Linnaeus's original 7 mandatory ranks "taxa" for the animal kingdom. What is the additional rank "taxa" added by taxonomists such as Woese, Kandler and Wheelis? Which 2 taxa from the previous Linnaean Hierarchy were used in an organism's binomial? Trinomial? How do you correctly identify and write the name of a species. Can the species epithet stand alone as the name of a species? Why or why not? Distinguish among the following Concepts of a Species: Typological species concept Biological species concept Evolutionary species concept Phylogenetic species concept What gene is used in the DNA Barcoding of a Species? In what organelle of a cell is this gene found?
Added by Edward S.
Close
Step 1
Step 1: The basic goals of animal systematics are to discover and classify all animal species on Earth, reconstruct the evolutionary relationships between species, and classify species based on their characteristics. Show more…
Show all steps
Your feedback will help us improve your experience
Sulav Pokhrel and 85 other Biology educators are ready to help you.
Ask a new question
Labs
Want to see this concept in action?
Explore this concept interactively to see how it behaves as you change inputs.
Key Concepts
Recommended Videos
1) Explain the differences and similarities between Evolutionary Systematics, Phenetics, and Cladistics. 2) It has been argued by some systematists that we should abandon Linnaean taxonomic ranks above the genus level. Provide at least two reasons why they might argue this. Do you agree or disagree with this argument? Explain your reasoning. 3) What is the purpose of an outgroup taxon in a cladistic analysis? How should one select an appropriate outgroup taxon for their study sample? Feel free to use example clades in your answer. 4) Give examples of monophyletic, paraphyletic, and polyphyletic groups. (or "groups" in most cases). (I do not mean definitions, real-world examples of various organisms)
Supreeta N.
When using a cladistic approach to systematics, which of the following is considered most important for the formation of a taxon? Select one: a. shared derived characters b. shared primitive characters c. analogous primitive characters d. overall phenotypic similarity e. the number of polytomies Analogous traits are found in two or more species because Select one: a. evolution by natural selection requires heritable variation. b. those traits have been inherited from a common ancestor. c. some evolutionary process (usually natural selection) has independently fashioned similar traits in each species. d. hybridization between the species passed the trait on to both. Dogs (Canis lupus familiaris) and gray wolves (Canis lupus) can interbreed to produce viable, fertile offspring. These species shared a recent common ancestor and have a high degree of genetic similarity, although their anatomies vary widely. Judging from this evidence, which species concepts are most likely to place dogs and wolves together into a single species? Select one: a. biological and phylogenetic b. morphological alone c. phylogenetic alone d. biological alone e. morphological and phylogenetic
Rupsa S.
In the past, Amphioxus has been of interest to zoologists searching for a vertebrate ancestor. List some of the characters that it exhibits that interested zoologists and led to them being included in the phylum Chordata? Now identify an important character that it lacks that would lead us to doubt its position as the vertebrate ancestor. 2. List four different adaptations that guided early vertebrate evolution and explain how each has contributed to the success of vertebrates.
Shyam P.
Recommended Textbooks
Biology for AP Courses
Objective Biology for NEET
Introduction to General, Organic and Biochemistry
Transcript
Watch the video solution with this free unlock.
EMAIL
PASSWORD