CF LL BIO HOW LIFE
3rd Edition
ISBN: 9781319536404
Author: Morris
Publisher: MAC HIGHER
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Chapter 21.1, Problem 3SAQ
Summary Introduction
The process that involves in the generation of new and unique forms of life is referred to as
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Describe the biological species concept into details
The biological species concept defines a species by its morphology. In other words all members of the same species look alike? True or false?
Use the DNA-DNA hybridization data from species A, B, C, D, and E showing the % difference in
DNA between each species to answer the question that follows:
D
E
C
Species
B
A
4
3
3
2
X
4
3
3
B
X
2
4
1
C
3
X
3
4
X
D
3
1
3
X
4
E
4
4
4
23. Which of the following phylogenetic trees correctly illustrates the relationships between species A, B,
C, D, and E? (assume that the letters run in sequence A-B-C-D-E at the ends of the branches)
a.
b.
C.
ABCDE
ABCDE
A B C D E
V NY
VV
ABCDE
30+30+30+30)
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- Which taxon (group) in the chart above includes the broadest characteristics?arrow_forwardSpecies 1 is described as 2n = 8 and has chromosome composition BBDDEEHH. Species 2 is described as 2n = 10 and has chromosome composition NNPPSSXXZZ. Select the best answer to classify the organism below based on its chromosome composition. Note that each letter represents a chromosome and that the organism below is either an individual from one of the species above or is derived from one or both species above. Organism: BBDEEHH Select one: Oa. Haploid O b. Diploid C. Double Trisomic O d. Autotriploid e. Double Monosomic f. Monosomic O g. Allotriploid Oh. Autotetraploid Oi. Allotetraploid Nullisomic Ok. Trisomicarrow_forwardDistinguish between morphological, phylogenetic, and biological species concepts. What are the advantages and disadvantages of each? What notion is common to each of the species definitions that we considered?arrow_forward
- Which of the following best explains the morphological species concept?arrow_forwardAt the end of the 19th century, taxonomists adopted the goal of developing a natural system of classification. In a natural system, which kinds of organisms are classified together?arrow_forwardHow many rooted trees are theoretically possible for a group of seven organisms? How many for twelve organisms?arrow_forward
- Create a cladogram that includes of a panda, a species of bacteria, a species of protist, and 3 other species of your choicearrow_forwardWhich of the following is true regarding the way we define clades with characters? Select one: a. Autapomorphies are good characters to use because they describe every lineage of the clade and no other lineages b. Plesiomorphies are good characters to use because they describe every lineage of the clade and no other lineages c. Synapomorphies are good characters to use because they describe every lineage of the clade and no other lineages Please give me the correct answer quickly I will give you upvotearrow_forwardDistinguish between morphological, phylogenetic, and biological species concepts. What are the advantages and disadvantages of each?arrow_forward
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Phylogenetic Mysteries: Crash Course Zoology #12; Author: CrashCourse;https://www.youtube.com/watch?v=cVaw7nF72Aw;License: Standard youtube license