Q3.7. Do you think the distribution of shell thickness in the population will change over time as your new crab with no shell-thickness preference starts having meals? Why or why not? Yes, the population could evolve by chance. The change might be toward thinner shells or thicker shells. Yes, individual snails will grow their shells thicker in order to survive, so the population will evolve toward thicker shells. O Yes, the snails want protection against this new crab, so the population will evolve toward thicker shells. No, the population will not evolve, because all individuals are equally likely to survive.
Q3.7. Do you think the distribution of shell thickness in the population will change over time as your new crab with no shell-thickness preference starts having meals? Why or why not? Yes, the population could evolve by chance. The change might be toward thinner shells or thicker shells. Yes, individual snails will grow their shells thicker in order to survive, so the population will evolve toward thicker shells. O Yes, the snails want protection against this new crab, so the population will evolve toward thicker shells. No, the population will not evolve, because all individuals are equally likely to survive.
Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
ISBN:9781337408332
Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Chapter44: Population Ecology
Section: Chapter Questions
Problem 1CT: Think back to Section 44.6. When researchers moved guppies from populations preyed on by cichlids to...
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Transcribed Image Text:Q3.7. Do you think the distribution of shell
thickness in the population will change over time
as your new crab with no shell-thickness
preference starts having meals? Why or why not?
O Yes, the population could evolve by chance. The change
might be toward thinner shells.or thicker shells.
Yes, individual snails will grow their shells thicker in order
to survive, so the population will evolve toward thicker
shells.
O Yes, the snails want protection against this new crab, so
the population will evolve toward thicker shells.
No, the population will not evolve, because all individuals
are equally likely to survive.
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