Exam 12: Major Transitions

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Draw a graph that illustrates the relationship between foraging ability and group size where group living is beneficial.On the same graph,draw a line of the relationship if group living was not beneficial.

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Along the x-axis should be group size,and along the y-axis should be a measure of foraging ability.When beneficial,there will be a positive correlation between the two variables: Foraging ability increases with size of group.When costly (not beneficial),foraging ability decreases with group size.

What unites the organisms shown in the figure below? What unites the organisms shown in the figure below?

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In what way are single-celled slime mold amoebas and individual honeybees (social insects that live in colonies)alike?

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The chemical signal for slime mold amoebas to aggregate is

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The transition to multicellularity

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According to the graph below,which of the following relationships between cell-type numbers is correct? According to the graph below,which of the following relationships between cell-type numbers is correct?

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Give an example of differentiation of tasks at the individual level and an example at the group level.

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What are apicoplasts,and what is the advantage of using them as a drug target for the treatment of malaria?

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  Basis on the figure above,multicellularity has evolved Basis on the figure above,multicellularity has evolved

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What do the four membranes of apicoplasts imply about the nature of the endosymbiosis event that produced them?

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  On the phylogeny of Theridiidae spiders illustrated above,shaded names indicate group-living species.Group living in this family has evolved On the phylogeny of Theridiidae spiders illustrated above,shaded names indicate group-living species.Group living in this family has evolved

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Transfer of genes between organelles and the nucleus

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  The experimental set up in the figure above was designed to test The experimental set up in the figure above was designed to test

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  Basis on the figure above,multicellularity in plants and opisthokonts Basis on the figure above,multicellularity in plants and opisthokonts

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The figure below illustrates the relationship between the distance to a food source and a portion of the honeybee dance in the hive.If a forager returned to the hive with food and did a straight run of 1.5 seconds,how far would other foragers go to find food? The figure below illustrates the relationship between the distance to a food source and a portion of the honeybee dance in the hive.If a forager returned to the hive with food and did a straight run of 1.5 seconds,how far would other foragers go to find food?

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Why does genetic imprinting inhibit parthenogenesis?

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Based on the figure below,would you expect all nonplant eukaryotes to have exactly the same mitochondrial genes as all plant mitochondria? Why or why not? Based on the figure below,would you expect all nonplant eukaryotes to have exactly the same mitochondrial genes as all plant mitochondria? Why or why not?

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Based on the figure below,if a plant and nonplant mitochondrial genome contain the same gene,do the organisms have a common ancestor? Why or why not? Based on the figure below,if a plant and nonplant mitochondrial genome contain the same gene,do the organisms have a common ancestor? Why or why not?

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What is a social group?

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Why do groups offer protection in foraging?

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