Combo: Loose Leaf Version of Biology: Concepts & Investigations packaged with Connect Access Card
3rd Edition
ISBN: 9781259673818
Author: Mariëlle Hoefnagels Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 1, Problem 5MCQ
Evolution through natural selection will occur most rapidly for populations of plants that
a. are already well adapted to the environment.
b. live in an unchanging environment.
c. are in the same genus.
d. reproduce sexually and live in an unstable environment.
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Students have asked these similar questions
Evaluate the following statements about seeds from two biology textbooks:
I. The seed coat is an adaptation that protects the plant embryo from damage, water loss, and infection.
II. Evolution has come up with a clever solution for protecting plant embryos: seed coats that prevent damage, water loss, and infection.
Do these statements accurately represent the evolution of seeds?
a) Yes, both statements are accurate.
b) No, neither statement is accurate.
c) Only the first statement is accurate.
In several pairs of plant and animal species, plants have become modified such that only its animal partner can pollinate it, and the animals have become modified such that they are especially well adapted to pollinate just their plant partner. What is the name of this type of evolution that results in two organisms becoming particularly adapted to and dependent on each other?
Discuss how adaptations allowed plants to move from an aquatic environment to the variety of habitats they inhabit today. Maybe, start out by discussing single celled algae and include the transition from prokaryotes to eukaryotes. Then explain why those traits are adaptive, and how they arose. Don't forget the role of natural selection in adaptation.
Chapter 1 Solutions
Combo: Loose Leaf Version of Biology: Concepts & Investigations packaged with Connect Access Card
Ch. 1.1 - Does any nonliving object possess all of the...Ch. 1.1 - Prob. 2MCCh. 1.1 - Prob. 3MCCh. 1.2 - What are the goals of taxonomy?Ch. 1.2 - How are domains related to kingdoms?Ch. 1.2 - List and describe the four main groups of...Ch. 1.3 - Identify the elements of the experiment summarized...Ch. 1.3 - Prob. 2MCCh. 1.3 - Prob. 3MCCh. 1.3 - Prob. 4MC
Ch. 1.3 - Compare and contrast science and technology.Ch. 1.4 - Prob. 1MCCh. 1.4 - How does this story illustrate discovery science?Ch. 1 - Prob. 1MCQCh. 1 - All of the following are characteristics of life...Ch. 1 - Prob. 3MCQCh. 1 - Because plants extract nutrients from soil and use...Ch. 1 - Evolution through natural selection will occur...Ch. 1 - Prob. 6MCQCh. 1 - In an experiment to test the effect of temperature...Ch. 1 - A scientist has just observed a new phenomenon and...Ch. 1 - Prob. 9MCQCh. 1 - Which of the following statements is false? a....Ch. 1 - Describe each of the five characteristics of life,...Ch. 1 - Prob. 2WIOCh. 1 - Prob. 3WIOCh. 1 - Think of an analogy that will help you remember...Ch. 1 - Other than the examples given in the text name an...Ch. 1 - Draw and explain the relationship between...Ch. 1 - Prob. 7WIOCh. 1 - Prob. 8WIOCh. 1 - How are the members of the three domains similar?...Ch. 1 - List each step of the scientific method and...Ch. 1 - Give two examples of questions that you cannot...Ch. 1 - Design an experiment to test the following...Ch. 1 - Prob. 1PITCh. 1 - Prob. 2PITCh. 1 - Prob. 3PIT
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- The data presented in Part D shows the results of artificial selection for hairy Wisconsin Fast Plants. Identify the null hypothesis for this investigation? A. If the mean number of trichomes is greater in the second generation than in the parent population, then selection has occurred. B. There will be no difference between the mean number of trichomes in the second generation compared to the parent population. C. As a result of selection, the mean number of trichomes will be greater in the second generation. D. If plants with the most trichomes in the first generation are selected as parents, then the second generation will have more trichomes.arrow_forwardThe production of megaphylls by many different species of plants is an example of _____. a. parallel evolution b. analogy c. divergent evolution d. homologyarrow_forwardDuring Charles Darwin’s voyages, he observed species of plants and animals unique to specific islands, but with similar looking species on nearby islands. How did Darwin explain these similarities and differences?arrow_forward
- Assume you are studying two different species of plants that have evolved purple flowers. You reconstruct the ancestor of these plants and discover the ancestor plant had pink flowers. You decide to investigate the development of the purple flowers and find that the plants both evolved purple flowers via the same purple pigment gene pathway. This discovery is best described as which of the following? a. Equal Fitness Landscapes b. Heterochrony c. Parallel Evolution d. Convergent Evolutionarrow_forward1)Darwin recognized tortoises having different neck lengths on the different islands of the Galápagos because ____. * A. Some needed to see above rocks for predators and some did not B. Some females preferred long necks, and other females preferred short necks C. Some swam in their environment and some did not D. The abiotic factors caused different types of plants in which tortoises had to adapt to eating themarrow_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_forward
- A consortium of dairy and beef farmers has hired you to study the evolutionary origins of domestic cattle. They particularly want to know whether the humped zebu cattle of Asia and the cattle of Africa are derived from different species of wild cattle than European breeds. Outline a complete research program to study this question. Describe the sequence of steps you would need to do, what kind of data you would collect, and the methods you could use to evaluate possible trees and branches.arrow_forwardLook at picture attached A) What does the phylogeny suggest about the evolutionary process that led to the trait differences by habitat? a. convergent evolution b. adaptive radiation c. phenotypic plasticity B) Choose different functional forms from two of the habitats shown in the collage and describe how one or more differences in form may represent an adaptation to their different environment. Example: compare plant form for lobeliads in montane bog to cloud forest understoryarrow_forwardImagine that you wanted to know if speciation rate in plant groups is linked to whether the plants are pollinated by bees or hummingbirds. To do this, you identified 20 genera of angiosperms that contained species pollinated by both types of animals. There were substantially more species in the groups that were pollinated by bees. Which of the following conclusions are most consistent with your data? A. Hummingbirds promoted speciation less than did bees. B. Hummingbirds promoted speciation more than did bees. C. Each genus should first be split into two new genera. D. The rates of speciation are independent of pollinator type.arrow_forward
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