BIOLOGY
5th Edition
ISBN: 9781264104680
Author: BROOKER
Publisher: MCG
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Chapter 24.2, Problem 1EQ
Summary Introduction
To determine: The hypothesis given by Podos regarding the effect of beak size on bird’s song.
Introduction: Podos worked on Darwin's finches to evaluate the effect of the bird’s song on the mating patterns. He observed the effect of certain parameters on the reproductive physiology of the birds on Galapagos islands.
Summary Introduction
To determine: The way through which changes in the beak-shaped caused reproductive isolation among Darwinian finches.
Introduction: The changes in the morphology of the beak causes a difference in the sound produced by the birds that can affect the mating process and finding the member of the species of the opposite sex.
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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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- Simberloff also introduces J. Baird Callicott’s perspective. What does Callicott say about Leopold’s view of nonnative species?arrow_forwardis it true that a difference in a beak shape among members of the same finch species is an example of variationarrow_forwardDescribe what caused the extinction of dodo birds.arrow_forward
- How do finches reconize members of their own species?arrow_forwardScientists found that different beak shapes correlate with different mating songs in Darwin's finches. Which hypothesis does this support? A. Darwin's finches are not different species according to the Biological Species Concept. B. Adaptation to different food sources led to behavioral isolation in Darwin's finches. C. Adaptation to different food sources likely occurred after reproductive isolation in Darwin's finches. D. Mating songs are primarily determined by the acoustics of different beaks.arrow_forwardWhat barriers prevent wood frogs and leopard frogs from interbreeding in nature?arrow_forward
- What is the common ancestor of the Galapagos finches? What are the thirteen Galapagos finches? What characteristics make each of the thirteen finches a distinct species? How is each finch isolated from the others? What habitat does each finch live?arrow_forwardA subpopulation of a species of birds migrates to a different location from the rest of the species for breeding purposes. How might the genes change in the subpopulation? A. Their genes would change randomly and eventually revert to normalcy, which would allow the subpopulation to return to the main population. B. Their genes would change to better allow them to survive and reproduce in their new location. C. Their genes would not change at all and they would merely be a subpopulation living in a different location. D. Their genes would change so that they would continue to be well-adapted to their former location.arrow_forwardDetermine if the following pairs are HOMOLOGOUS STRUCTURES or ANALOGOUS STRUCTURES 1.) Bat wing and bird wing 2.) Dragonfly wing and hummingbrind wing 3.) Dragonfly wing and bumbleebee wingarrow_forward
- Create a dichotomous key between housefly, hard tick, and sheep ked using morphological characteristics. Housefly: 6 legs, 3 body parts, black, wings, hair Hard tick: 8 legs, 2 body parts, brown, no wings, no hair Sheep ked: 6 legs, 3 body parts, brown, no wings, hairarrow_forwardWhat might have happened if finches didn't evolve into many different species?arrow_forwardDarwin’s finches have different beaks in terms of size and shape to be able to eat different food sources like insects, nectar, and seeds. Cactus finches have longer, more pointed beaks to probe cactus flowers compared to their relatives, the ground finches. If a plant disease killed a large portion of the cacti on the Galapagos islands, what would the future populations of finches look like in terms of beak size and shape? Use your knowledge of natural selection to determine which option is most likely. Ground finches would survive and pass on their shorter and wider beaks, so there would be a higher proportion of finches in future generations that have short and wide beaks. Ground finches would survive and pass on their beaks, but they would mate with the remaining cactus finches, creating a new hybrid that is somewhere between short versus long and narrow versus wide. Cactus finches would compete for food with ground finches and exhibit resource partitioning, so the beaks…arrow_forward
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