Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 24.1, Problem 1CC
Can you think of another example of two different species that look very similar?
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How can we account for the extensive differences between the two species?
Suppose a new monkey species, Species A, has just been discovered. You are a primatologist, and you are trying to determine its phylogenetic position. You are sure its closest relatives are Species B and Species C, but you want to know which one it is more closely related to or if it is equally closely related to both. You are using Species D, a more distant relative, as the outgroup. You have come up with a list of ten characters you think will be useful in resolving this phylogeny, and you have determined the character state of each species for each character. The character states are: (in image below)
Estimate the phylogeny of these taxa by plotting the changes on each of the three possible phylogenies for species A, B, and C and determining which tree requires the fewest evolutionary changes.
HINT: First, review the carnivorans problem in Section 4.3 of the Zimmer and Emlen textbook. To solve the above problem, assume the outgroup has the ancestral character state for each…
n which situation would it make sense to use the morphological species concept?
When you are able to collect data about how individuals in your study use their habitat, but you are unable to determine if they interbreed
When working with fossils from extinct organisms
When you only have genetic data about each organism in your study
When you are not able to collect data about how individuals in your study use their habitat, but you are able to collect reproductive data
Chapter 24 Solutions
Biology
Ch. 24.1 - Can you think of another example of two different...Ch. 24.1 - Prob. 1CSCh. 24.1 - Is temporal isolation an example of a prezygotic...Ch. 24.1 - Prob. 3CCCh. 24.2 - Prob. 1CSCh. 24.2 - Prob. 1EQCh. 24.2 - Prob. 2EQCh. 24.2 - Prob. 3EQCh. 24.2 - Prob. 1CCCh. 24.2 - Prob. 2CC
Ch. 24.4 - Evo-Devo: Evolutionary Developmental Biology...Ch. 24.4 - Prob. 1CSCh. 24.4 - Prob. 2CCCh. 24 - Macroevolution refers to evolutionary changes that...Ch. 24 - Prob. 2TYCh. 24 - Prob. 3TYCh. 24 - Prob. 4TYCh. 24 - Prob. 5TYCh. 24 - Prob. 6TYCh. 24 - Prob. 7TYCh. 24 - Prob. 8TYCh. 24 - Prob. 9TYCh. 24 - Prob. 10TYCh. 24 - What is the key difference between prezygotic and...Ch. 24 - What are the key differences between gradualism...Ch. 24 - Prob. 3CQCh. 24 - Prob. 1COQCh. 24 - Discuss the type of speciation (allopatric or...
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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
- A study of two populations of similar organisms determined that the two populations were different species using the phylogenetic species concept. Is it possible for the two populations to also be defined as two different species using the biological species concept? Explain your answer.arrow_forwardName two types of organism that do not fit easily into the biological species concept. What species concept would work best for these organisms?arrow_forwardWhen a Golden Snail was introduced to Black Native Snails, how would it impact the genetic diversity of the latter? Thank youarrow_forward
- Should one line of evidence hold more weight than another when we discuss the classification of species? Or should all lines of evidence be weighed equally?arrow_forwardIf jaguar populations become isolated, would this be enough to classify them as subspecies?arrow_forwardn which situation would it make sense to use the phylogenetic species concept? When you are not able to collect data about how individuals in your study use their habitat, but you are able to collect reproductive data When you are able to collect data about how individuals in your study use their habitat, but you are unable to determine if they interbreed When you only have genetic data about each organism in your study When working with fossils from extinct organismsarrow_forward
- In which ways could polar bears and grizzly bears be considered different species? Give at least 3.arrow_forwardThe biological species concept is based on the assumption that species are reproductively isolated and do not share genes. And yet a number of organisms that are considered different species hybridize (mate and exchange genes). Hybridization between different species is more common in plants than in animals. Propose some possible reasons for this difference.arrow_forwardDo you think these different regional populations are different species that could only occasionally produce fertile offspring, or are they a single species that exhibit phenotypic variation (polytypic like us) due to adaptation to different environments?arrow_forward
- The biological species concept defines a species by its morphology. In other words all members of the same species look alike? True or false?arrow_forwardHello! I'm currently doing a project for biology and I just would like to know what similarties are between the golden eagle and the wedge tailed eagle, lesser spotted eagle and the bonelli's eagle. The project is based on the golden eagle and I just need to know how those three each apply as being the ancestors of the golden eagle and how they're similar.arrow_forwardImagine a field of monkey flowers. Some of them are pink and others are red. It turns out that the pink flowers are pollinated mostly by bumblebees, whereas the red flowers are pollinated mostly by hummingbirds. As a result pink flowers are fertilized mostly by pollen from other pink flowers, and red flowers are fertilized mostly by pollen from other red flowers. The pink and red flowers have become separate species. What type of speciation is this? Sympatric speciation type (my answer) What mechanism of reproductive isolation was involved? ??arrow_forward
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