Biology: Life on Earth (11th Edition)
11th Edition
ISBN: 9780134168296
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 17, Problem 2MC
Which of the following does not describe a premating isolating mechanism?
a. the courtship display of a bird of paradise
b. the sterility of the offspring of a horse and a donkey
c. the difference between the flowering periods of the Monterey pine and the Bishop pine
d. the tendency of each species of fig wasp to breed only in the fruits of a particular species of fig
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Chapter 17 Solutions
Biology: Life on Earth (11th Edition)
Ch. 17 - The biological species concept is difficult or...Ch. 17 - 2. Which of the following does not describe a...Ch. 17 - 3. All instances of speciation require
a. genetic...Ch. 17 - Analysis of Rhagoletis fly populations in North...Ch. 17 - In the initial phase of allopatric speciation,...Ch. 17 - 1. A species is a group of _________ that evolves...Ch. 17 - 2. Fill in the following with the appropriate...Ch. 17 - 3. Formation of a new species occurs when two...Ch. 17 - Prob. 4FTBCh. 17 - Prob. 5FTB
Ch. 17 - Define the following terms: species, speciation,...Ch. 17 - Many of the oak tree species in central and...Ch. 17 - Review the material on the possibility of...Ch. 17 - 4. A drug called colchicine prevents cell division...Ch. 17 - What are the two major types of reproductive...Ch. 17 - 1. It is difficult to perform experiments that...
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- How does lupine affect the range of the Karner Blue butterfly? A Lupine displaces Karner Blue host plants. B Lupine promotes diseases of Karner Blue. C The Karner Blue is found everywhere lupine is found. D The Karner Blue can only live where lupine grows.arrow_forwardFruit scientists are trying to determine the role of the pectinase (p) gene in a plant’s ability to tolerate cold conditions. The table shows each of three possible fruit tree genotypes and the percentage of fruit produced at different temperature ranges. Which of the following statements best describes the evolutionary concept illustrated by this example? A. Homozygous genotypes increase fitness in a population. B. Hybrid plants are known to have a disadvantage over homozygous genotypes. C. Natural selection selects against the recessive gene and for the dominant gene. D. Certain phenotypic variations can significantly increase fitness of the organism in particular environments.arrow_forward1. Sea urchins are broadcast spawners that release clouds of sperm/eggs into the water column. However, the ability to successfully fertilize the egg by the sperm is restricted to very specific gametic proteins that inhibit cross species fertilization. This is an example of a a. Post zygotic barrier b.Habitat isolation c.Mechanical isolation d.Pre zygotic barrier e.Hybrid breakdownarrow_forward
- A. In terms of the barriers in place that keep species separate, explain whether song recognition is a prezygotic barrier or a post-zygotic barrier. B. Explain which type of isolating mechanism this wouldbe once you determine the barrier type. C. Discuss why song would be a barrier to mating with another species and having the incorrect song might change your fitness potential.arrow_forwardWhich statement about prezygotic barriers is false? A.They can arise from the evolution of the structure of sexual organs. B.They can arise from the specific interaction of plants with insect pollinators. C.They can arise from mate selection behaviors. D.They can arise from low fertility of hybrids.arrow_forwardWhat is NOT an example of antagonistic pleiotropy? A. Developmental genes that code for greater or fewer than seven cervical vertebrae have negative fitness costs. B. Genes that create insect breathing tubes cause decreased production of growth hormones. C. Mutations that confer resistance to Bt also make insects more vulnerable to natural plant defensive chemicals. D. Two of the three choices are correct.arrow_forward
- Which of the following traits does not describe a r-selected species? A. rapid development B. low parental investment C. high reproductive rates D. short life spans E. late maturationarrow_forwardThis hypothesis assumes that among male variation in the expression of ornaments reliably signals individual differences in overall quality of the males. It predicts that choosy females will produce offspring with higher survivorship or in better condition than those of less choosy females. A. Good genes process B. Bateman's principle C. Fisher-Zahavi process D. Fisher's runaway modelarrow_forwardWhich of the following traits is more associated with an Opportunistic (Equilibrial) species? Which of the following traits is more associated with an Opportunistic (Equilibrial) species? A. Short maturation time B. Producing offspring at many different times over the course of life C. Producing a lot of eggs at one time D. High juvenile mortality E. High level of parental carearrow_forward
- what is the probability in the f2 generation of a green stem offspring? Use a Punnett square and quantitative data to explain your thinkingarrow_forwardWhich of the three phylogenetic trees of the Drosophila species is different from the other two? a. D. simulans b. C. D. sechellia D. melanogaster D. sechellia D. simulans D. simulans Tree 1 Tree 2 Tree 3 D. melanogaster D. melanogaster D. sechellia D. pseudoobscura D. pseudoobscura D. persimilis D. persimilis D. persimilis D. pseudoobscuraarrow_forward(see image attached) a) In what ways are floral traits similar or different between hawkmoth and bat pollination syndromes b) In what ways are floral traits similar or different between bee and bat pollination syndromes c) Which pollinator shift is more likely to lead to reproductive isolation between populations that have the ancestral pollinator and populations that have bat pollinators? a) hawkmoth to bat b) bee to bat and why? / rationalearrow_forward
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