Biology
5th Edition
ISBN: 9781260487947
Author: BROOKER
Publisher: MCG
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Chapter 22.1, Problem 2EQ
Overview of Evolution
Experimental Questions
CoreSKILL » Why is beak depth in finches a good trait for a study of natural selection? What environmental conditions were important to allowing the Grants to collect information concerning natural selection?
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Directions: With the knowledge you gained about the mechanism of evolution,
answer the following questions using illustrations/drawing. Write your
answers on a separate sheet of paper.
1. Give an example of natural selection that happens in your locality.
2. Where do you think genetic drift will likely happen more quickly on an
island or the mainland?
3. How do pollinators contribute to the gene flow?
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Question 17
What does the illistration below represent in the context of evolution?
esitl
five different species sorted from the least evolved one (left) to the most evolved one (right)
a sequence of evolutionary steps, from chimps to humans, showing possible intermediate forms
five different species, some extant and some extinct, each one descendant from a different ancestor.
Ofive different species, some extant and some extinct, all likely descendants from a common ancestor.
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Q:need help with question
We looked at how the beliefs of the Theory of Special Creation were challenged by Descent with Modification. Even before Lamarck and Darwin proposed that species do change over time, what belief of the Theory of Special Creation had already been challenged?
Species do not change
Lineages do not split
Each species is separately created
Each species is independently created
Earth and life are young
Chapter 22 Solutions
Biology
Ch. 22.1 - Prob. 1CCCh. 22.1 - Overview of Evolution Experimental Questions What...Ch. 22.1 - Overview of Evolution Experimental Questions...Ch. 22.1 - Overview of Evolution Experimental Questions...Ch. 22.2 - Prob. 1CSCh. 22.2 - Prob. 1CCCh. 22.2 - Prob. 2CCCh. 22.2 - Prob. 3CCCh. 22.3 - The Molecular Processes Concept Check: Why do...Ch. 22.3 - Prob. 1CS
Ch. 22.3 - Prob. 2CCCh. 22 - Prob. 1TYCh. 22 - Lamarcks vision of evolution differed from Darwins...Ch. 22 - Which of the following scientists influenced...Ch. 22 - Prob. 4TYCh. 22 - Vestigial structures are anatomical structures a....Ch. 22 - Which of the following is an example of a...Ch. 22 - Prob. 7TYCh. 22 - Prob. 8TYCh. 22 - Prob. 9TYCh. 22 - Prob. 10TYCh. 22 - Evolution that results in adaptation is rooted in...Ch. 22 - What is convergent evolution? How does it support...Ch. 22 - Prob. 3CQCh. 22 - Prob. 1COQCh. 22 - Prob. 2COQ
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- Question A: From an evolutionary point of view, why can't we say that the human species is the most evolved? Briefly explain in your own words based on a concrete examplearrow_forwardVirtual Lab Lizard Evolution Virtual Lab hhmi Biolnteractive LIZARD EVOLUTION VIRTUAL LAB Answer the following questions as you finish each module of the virtual lab or as a final assessment after completing the entire virtual lab. Student Handout Module 1: Ecomorphs 1. At the beginning of the virtual lab, you were asked to sort eight lizards into categories. What criteria did you initially use to make your groups? Did you revise your criteria later? Why? 2. An adaptation is a structure or function that is common in a population because it enhances the ability to survive and reproduce in a particular environment. Provide one example and an explanation of one adaptation in the Anolis lizards. 4. What is an ecomorph? Provide one example from the virtual lab. 3. Provide one evolutionary explanation for why lizards living in the same part of the habitat (i.e., grass) would have similar characteristics. 5. How is an ecomorph different from a species? 6. Explain how a particular body feature…arrow_forwardLet the FORCE be with you! Directions: Identify the FORCES/MECHANISMS of Evolution describe in the following statements below. Write your answers on a separate sheet of paper. Statements Forces of Evolution 1. Giraffes developed long necks to reach food sources higher up in trees, so members of the giraffe population who didn't develop a long | neck died out. 2. Pollen from trees is blown far, far away to a completely separate group of trees and pollinates their flowers, with genetic producing trees characteristics of each population. 3. A certain type of plant can produce blue or yellow flowers. During a fire, many yellow flowers are destroyed, and now since blue is the dominant allele, the plant reproduces plants that only produce | blue flowers. 10 |Page 4. When the plants that grow back on previously damaged land through secondary succession are different from what was originally there. 5. Make an organism in a population produce enzymes that will allow them to eat certain food…arrow_forward
- POST QUIZ: Write true if the statement is true or false if the statement is false. 1. As recently as 200 years ago, many people believed that Earth was only 6,000 years old 2. Artificial selection occurs when nature selects for beneficial traits. 3. The individual Galápagos Islands are all similar to each other. 4. Malthus argued that human populations grow faster than their resources. 5. Lamarck was one of the first scientists to propose that species evolve by natural selectio 6. Lyell was one of the first to say that Earth must be far older than most people believed. 7. Lamarck's inheritance of acquired characteristics is has become a widely accepted scien heory. 8. Fossils proved to Darwin that species can evolve. 9. The term fitness to refer to an organism's ability to outrun its hunters. 10. Darwin published his findings soon after returning to England from the voyage of the Be 11. According to Darwin, natural selection is what occurs, and evolution is how it happens 12. During…arrow_forward2020 Online Discussion B. Darwin's Theory Warm-Up Active Developing the Theory of Evolution WARM-UP What was Charles Darwin's contribution to the theory of evolution? O Charles Darwin was the first to express the belief that all living things are related. Charles Darwin believed that organisms had a goal to adapt and did so through the inheritance of acquired traits. Charles Darwin introduced the idea that organisms better adapted to their environment would tend to survive, reproduce, and increase in number. Charles Darwin developed the theory of population growth. DONE O Intro Activity DII 96 2, or goarrow_forwardDirections: Write ADAPT if the statement is under the principle of Jean Baptiste de Lamarck and EVOLVE if the statement is under the principle of Charles Darwin. 1. Species may experience extinction if they are not fitted to live in their environment. 2. Species, which become extinct, just experienced evolution to fit in their environment. 3. Once a trait is developed due to adaptation in environment, it may be passed to succeeding oripnisms. 4. Habitual actions with a specific body part may lead to its changes. 5. Body parts that are of no use but still present in an organism's body are evidence for its ancestor species. 6. Animals with the same body part may have modifications depending on its physical requir. ements. 7. Changes happen in an organism for a long and uniform process. 8. A body part that is no longer used by an organism may lag from its development. 9. Birds grew web-like structure on their feet to be able to feed on the surface of water. 10. Ancestral…arrow_forward
- Learning Resources My Notes Visual Glossary Coding Assignments Scores Progress Monitoring Assessment from B.7CDE Natural Save a Question 1 Natural selection occurs because of all of the following EXCEPT - more organisms are produced than can survive. the resources that organisms need are limited. organisms in a population show variation. some populations are related to others. Previous Quesion Next Question -> © 2021 Accelerate Learning, Inc. All rights reserved. Terms MacBook Air 吕0 F3 000 000 F1 F4 F6 F7arrow_forwardTopic: Galapagos Finches Darwin’s readings took him to a predictive theory of how species might change with time: what later thinkers have called microevolution. Darwin’s philosophical worldview then took him beyond his evidence to a conviction that environmental constraints could create whole new structures and organisms. Soon Darwin’s theory of macroevolution replaced the Creator with an environment that could create solely by constraint. For your thread: According to Chapter 13 section 13.1, define microevolution and macroevolution. The Galapagos islands have a great diversity of landscapes – from lush vegetation to nearly barren lava fields yet the Galapagos Finches survive on each island. How can this be explained? Using the varying bills of the Galapagos Finches in figure 13.3 and additional research, explain how microevolution is evidenced.arrow_forwardEvolution Summative Assessment – Prompts and Rubric 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 concepts below. Science idea Genetic variation Examples of student language mutation, recombination, sexual reproduction, allele mixing reproduction, passed to offspring | Heritability Differential reproductive success Reproductive/survival advantage, more likely to reproduce/survive Ex: A genetic variation existed that produced spines on a cactus. The spines gave the cactus a reproductive advantage (helped it survive and reproduce), and the variation was passed from generation to generation. Watch for, and correct, the following naïve ideas Naive idea Description…arrow_forward
- The ability of genomes to respond to the outside environmentby changing the developmental trajectories of organisms opens up entire worlds of research. Is evolution selecting “teams” of organisms?arrow_forwardDtFoundatio X * Mind Tap - Cengage Learning Ô https://ng.cengage.com/static/nb/ui/evo/index.html?deploymentld%3D598638229454168914629742 * CENGAGE MINDTAP Chapter 13 Quiz: Processes of Evolution Chapter Quiz: Processes of Evolution Total points: --/15 Within a diploid animal species, what are potential sources of variation in shared, heritable traits? Select all that apply. O Mutations in the germ line | Meiosis | Mitotic division of somatic cells O Fertilization O Genetic engineering of somatic cells carcharrow_forwardRevise the passage Darwin is best known for his Theory of Inheritance of Acquired Characteristics, first presented in 1801 (Darwin's first book dealing with natural selection was published in 1859):Based on these observations and inferences, Darwin concluded that these traits, called adaptations were the product of evolution by Acquired Traits, these traits made the members of the population who had them equally fit for survival. an organism could also change during their lifetime in order to adapt to its environment, those changes are passed on to its offspring. For example, darwin believed that if giraffes stretched their necks to reach food, Their offspring and later generations would inherit the resulting long necks.arrow_forward
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