Biology
12th Edition
ISBN: 9780078024269
Author: Sylvia Mader, Michael Windelspecht
Publisher: McGraw-Hill Education
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Chapter 19, Problem 1TS
Recent DNA evidence suggests to some plants taxonomists that the traditional way of classifying flowering plants is not correct, and that flowering plants need to be completely reclassified.
Other botanists disagree, saying it would be chaotic and unwise to disregard the historical classification groups. Argue for and against keeping traditional classification schemes.
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Students have asked these similar questions
Despite changes in the approach for classifying plants (from artificial-, to natural-, to phylogenetic systems), what has been the common features or structure of these systems that can be attributed to the work- and influence of Linnaeus in the field of taxonomy?
Create a hypothetical phylogenetic tree using 11 plant species listed below.
Chara, Nitella, Marchantia, Polytrichum, Equistem, Psilotum, Polypodium, Pinus, Zamia, Arabidopsis, and Lilium.
Divide the species into five specific groups (Charophytes, Bryophytes, Monolithophytes, Gymnosperms, and Angiosperms) which will be the clades of your phylogenetic tree.
Now you will practice identifying the phylogenetic tree that corresponds to a given character table. The following table shows three key events in the evolution of plants: the development of vascular tissue, the development of flowers, and the development of seeds.
Plant groups
Vascular Tissue
Flowers
Seeds
Gymnosperms
1
0
1
Mosses
0
0
0
Ferns
1
0
0
Angiosperms
1
1
1
Select the phylogenetic tree that correctly represents the data in the character table.
Chapter 19 Solutions
Biology
Ch. 19.1 - Prob. 1CYPCh. 19.1 - Prob. 2CYPCh. 19.1 - Prob. 3CYPCh. 19.2 - Prob. 1CYPCh. 19.2 - Prob. 2CYPCh. 19.2 - Prob. 3CYPCh. 19.3 - Interpret the ancestral or derived state of traits...Ch. 19.3 - Prob. 2CYPCh. 19.3 - Prob. 3CYPCh. 19 - Prob. 1NS.1QC
Ch. 19 - Prob. 1NS.2QCCh. 19 - Prob. 1ACh. 19 - Prob. 2ACh. 19 - Prob. 3ACh. 19 - Prob. 4ACh. 19 - Prob. 5ACh. 19 - Prob. 6ACh. 19 - Prob. 7ACh. 19 - Prob. 8ACh. 19 - Prob. 9ACh. 19 - Prob. 10ACh. 19 - Prob. 11ACh. 19 - Recent DNA evidence suggests to some plants...Ch. 19 - Prob. 2TSCh. 19 - Prob. 3TS
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Use the list of Latin and Greek words commonly used in systematic names Use any two words and put them together to create a fictional plant. Draw your plant to match the scientific name you chose.arrow_forwardA botanist is studying the phylogenetic relationships of plants using only their their morphological traits. Would specialized plants (like desert or rainforest plants) complicate this process, why or why not? Select all that apply Select all that apply: a. Yes; they often appear similar but are not closely related to each other Ob. Yes; their traits are similar to plants across many environments c. No; their traits are shared by a common ancestor Od. Yes; they gained different traits than their close relatives because of their environment cross out cross out cross out cross outarrow_forwardThe work of plant taxonomists of the 20th century who identified /established the different families of flowering plants based mainly on morphological and anatomical details is still valued and being used today, despite the general acceptance of the Angiosperm Phylogeny Group (APG) as a classification system for the flowering plants. Why is it so?arrow_forward
- Give a brief coverage about molecular systematics and indicate it’s importance in the development of new cultivarsarrow_forwardConstruct a simple Angiosperm cladogram and phenogram representing the character matrix. Provide the character matrixarrow_forwardWhen classifying plants which of the following replaces the phylum taxon?arrow_forward
- 1) For each of the organisms in the following table, complete the empty columns with an appropriate answer for each taxa. Organism Gymnosperm Angiosperm Sister Taxa Derived Trait Ancestral Trait Mode of Reproductionarrow_forwardDefine the unified species concept. How is it applied to plants?arrow_forwardYou are asked to survey an area and identify all plant and animal species you come across. On your survey, you come across a plant you are not familiar with and must do some research to figure out what it is. To do this, your first step is to determine whether this plant is classified in the class Monocotyledonae or a Eudicotyledonae. Explain how you can tell if this plant is a Monocot or Eudicot by describing the differences in their flowers, seeds, roots, stems, and leaves. 1.arrow_forward
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