BIO 1406/07 BK/LAB/CODE PREPACK
12th Edition
ISBN: 9781265538590
Author: Raven
Publisher: MCG
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Chapter 54, Problem 5IQ
Summary Introduction
To determine: Whether natural selection would favor producing many small young or a few large ones.
Introduction: The evolutionary phenomenon that explains the mechanism of differential survival and reproduction of individual is due to the difference in
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Chapter 54 Solutions
BIO 1406/07 BK/LAB/CODE PREPACK
Ch. 54.1 - Prob. 1LOCh. 54.1 - Prob. 2LOCh. 54.1 - Explain how species adapt to environmental...Ch. 54.2 - Prob. 1LOCh. 54.2 - Prob. 2LOCh. 54.3 - Prob. 1LOCh. 54.3 - Prob. 2LOCh. 54.3 - Prob. 3LOCh. 54.4 - Prob. 1LOCh. 54.4 - Prob. 2LO
Ch. 54.5 - Prob. 1LOCh. 54.5 - Discuss why populations cannot grow exponentially...Ch. 54.5 - Define carrying capacity and explain what might...Ch. 54.6 - Prob. 1LOCh. 54.6 - Prob. 2LOCh. 54.6 - Prob. 3LOCh. 54.7 - Prob. 1LOCh. 54.7 - Prob. 2LOCh. 54.7 - Prob. 3LOCh. 54 - Prob. 1DACh. 54 - Prob. 2DACh. 54 - Prob. 3DACh. 54 - Prob. 4DACh. 54 - Prob. 5DACh. 54 - Prob. 6DACh. 54 - Prob. 1IQCh. 54 - Prob. 2IQCh. 54 - Prob. 3IQCh. 54 - Prob. 4IQCh. 54 - Prob. 5IQCh. 54 - Prob. 6IQCh. 54 - Prob. 7IQCh. 54 - Prob. 8IQCh. 54 - Suppose experimenters artificially kept the hare...Ch. 54 - Prob. 10IQCh. 54 - Prob. 11IQCh. 54 - Prob. 12IQCh. 54 - Source-sink metapopulations are distinct from...Ch. 54 - The potential for social interactions among...Ch. 54 - When ecologists talk about the cost of...Ch. 54 - Prob. 4UCh. 54 - The difference between exponential and logistic...Ch. 54 - Prob. 6UCh. 54 - Which of the following is an example of a...Ch. 54 - If the size of a population is reduced due to a...Ch. 54 - In populations subjected to high levels of...Ch. 54 - In a population in which individuals are uniformly...Ch. 54 - Prob. 4ACh. 54 - Refer to figure 55.8. What are the implications...Ch. 54 - Prob. 2SCh. 54 - Refer to figure 55.14. Because the number of...Ch. 54 - Refer to figure 55.26. Would increasing the mean...
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- Measuring Genetic Diversity in Human Populations How would a drastic reduction in a populations size affect that populations gene pool?arrow_forwarda study to assess the strength of selection on alleles of a gene “B” which affects brightness of the bioluminescence in fireflies. Fireflies with the brightest light (genotype BB), have an average of 5 offspring. Fireflies with the dimmest light (genotype bb), have an average of 20 offspring. Fireflies with an intermediately bright light (genotype Bb), have an average of 25 offspring. What is the fitness of… BB = Bb = bb = For which genotype would selection be strongest?arrow_forwardWhat data would suggest that a species evolutionary history includes sexual selection as a mechanism that helped shape the species? If males and females are significantly different from each other (sexual dimporphism) If males and females form different social groups (i.e. herds are formed from either males or females but not both) If some males reproduce with multiple females while other males do not reproduce If males engage in "risky" behaviorarrow_forward
- Part A If the moth population in your simulation of natural selection contained 10 black moths (BB), 18 grey moths (Bb), & 17 white moths (bb), how many total copies of the black allele (B) would this population of 45 moths be carrying? (Remember moths are diploid, so each moth carries two alleles for each gene.) 38 20 28 19 36arrow_forwardPhalaropes are shore birds with brightly colored females and dull colored males. Females are larger than males and compete with each other for access to males. Considering sexual selection theory, select the idea(s) below that seem(s) most plausible in light of the pattern of sexual dimorphism? Pick all that apply This is a picture of a brightly colored female: O Females incubate eggs and care for the young. Males incubate eggs and care for the young Males are choosy. males are not choosyarrow_forwardusing venn diagram, give similarities and difference of two theories (Natural Selection and Artificial Selection)arrow_forward
- 180- 170- Figure 1. For each of more than 200 human societies, the average height of the men is plotted against the average height of the women. The diagonal line shows where the points would fall if men and women were of equal height. From Rogers and Mukherjee (1992). 160- 150- 140- 140 150 160 170 180 Female stature (cm) tionry ysin.e 2. Using an evolutionary approach, explain the evolution of sexual dimorphism in height among men and women, Is this difference due to natural or sexual selection? How do know? you Male stature (cm)arrow_forwardQUESTION 3 Darwin's theory of natural selection explains: O The way life began. O The way evolution works at the genetic level. The way dinosaurs became extinct. O That traits within a breeding population that are adaptive to specific environmental circumstances become more numerous in that population over time.arrow_forwardQuestion 2 The definition of natural selection includes: the inability of poorly adapted individuals to produce offspring. the adoption of the physical characteristics of the parent by their offspring. O the cloning of individuals to produce exact copies. O the ability of some individuals who are better adapted to their environment to produce more offspring than poorer adapted individuals. O resulting in the extinction of the selected organisms. Question 3 Let's assume that you have been working out at the gym every day for months until you are completely buffed out with well defined muscles. Which evolutionary biologist from Darwin's century would claim that your children would be born in a buffed out condition? Hutton O Leclerc Darwin O Lyell O Lamarckarrow_forward
- Question # 17. How does natural selection bring change in gene frequencies?arrow_forwardCan you answer all the parts to this diagram Species 1 and 2 are sister species from which you’ve cloned related genes. On the gene tree on the top of the next page, use labels to answer the following questions: (a) Label the node that represents a gene duplication with “D,” (b) Label the nodes that represent speciation events with “S,” (c) Pick a pair of genes that are paralogs and label them both “P.” (d) Pick a pair of genes that are orthologs and label them both “O.”arrow_forwardChoose correct option do explain. 1.Two closely-related finch species occasionally form hybrids. These hybrids tend to have beaks of an intermediate size to their parental species, which have large and small beaks respectively. What evidence would suggest there is extrinsic postmating isolation? Group of answer choices- a.The hybrids are not able to obtain enough food due to beak size b.The hybrids die early due to deleterious gene combinations c.The hybrids cannot reproduce with members of either parent species d.The hybrids cannot reproduce with other hybridsarrow_forward
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