Evolution Summative Assessment – Prompts and Rubric1. A species of cactus has spines. How would biologists explain how a species ofcactus with spines evolved from an ancestral cactus species without spines?2. A species of fly lacks wings. How would biologists explain how a species of flywithout wings evolved from an ancestral fly species with wings?Proficient answers should include correct references to the science concepts below.Science ideaGenetic variationExamples of student languagemutation, recombination, sexual reproduction,allele mixingreproduction, passed to offspring| HeritabilityDifferential reproductive success Reproductive/survival advantage, more likelyto reproduce/surviveEx: A genetic variation existed that produced spines on a cactus. The spines gave thecactus a reproductive advantage (helped it survive and reproduce), and the variationwas passed from generation to generation.Watch for, and correct, the following naïve ideasNaive ideaDescriptionAdjustment or acclimation to circumstances,which are then inheritedGoal-directed change; organisms change inresponse to a needUsing (or not using) a trait causes it to becomemore or less common.AcclimationNeed/goalUse/disuseHighly proficient answers should include NO naive ideas, and they should containadditional information that demonstrates deeper understanding. Examples includereferences to probability (more/less likely), change over time, natural selection, andreproductive isolation or speciation.Ex: A genetic variation caused by a mutation that produced spines on a cactus. Thespines gave the cactus a reproductive advantage, and the variation was passed fromgeneration to generation. Natural selection acted on the "spine" trait over manygenerations in reproductively isolated populations until the populations were differentenough to be considered a new species.For more information, see http://www.evograder.org/static/docs/EvoGraderJournalArticle.pdf

Cactus has spine because It needs the spines for protection. a species of cactus with spines…

1. A species of cactus has spines. How would biologists explain how a species of cactus with spines evolved from an ancestral cactus species without spines? 2. A species of fly lacks wings. How would biologists explain how a species of fly without wings evolved from an ancestral fly species with wings? Proficient answers should include correct references to the science concents below

1. A species of cactus has spines. How would biologists explain how a species of cactus with spines evolved from an ancestral cactus species without spines? 2. A species of fly lacks wings. How would biologists explain how a species of fly without wings evolved from an ancestral fly species with wings? Proficient answers should include correct references to the science concents below

Biology (MindTap Course List)

11th Edition

ISBN:9781337392938

Author:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Publisher:Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg

Chapter23: Understanding Diversity: Systematics

Section: Chapter Questions

Problem 12TYU

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