Lizard Body Color and Survival The chart below shows the body color distribution in a lizard population over 30 generations. A single gene controls the color of the lizards' bodies. Two genetic mutations occurred in the original population that resulted in red and black body color. The initial population lived in a sandy environment Body Color Initial Population Brown Red Color Distribution in Lizard Population over 30 Generations Generation 10 Black 80% 10% 10% 80% 0% 20% Generation 20 Generation 30 70% 0% 30% 40% 0% 60% An environmental process changed the color of the surrounding land. This process took place from the beginning of the initial generation through the 30th generation. Select the THREE statements that best explain why the lizards' color trait frequencies changed during that same time period. 0 0 The black color trait allowed many lizards to better survive and reproduce in the changed environment. The brown color trait kept most lizards from being able to survive and reproduce in the changed environment. The red color trait allowed many lizards to better survive and reproduce in e changed environment. The black color trait kept most lizards from being able to survive and reproduce in the changed environment. The red color trait kept most lizards from being able to survive and reproduce in the changed environment. The brown color trait allowed many lizards to better survive and reproduce in the changed environment.
Lizard Body Color and Survival The chart below shows the body color distribution in a lizard population over 30 generations. A single gene controls the color of the lizards' bodies. Two genetic mutations occurred in the original population that resulted in red and black body color. The initial population lived in a sandy environment Body Color Initial Population Brown Red Color Distribution in Lizard Population over 30 Generations Generation 10 Black 80% 10% 10% 80% 0% 20% Generation 20 Generation 30 70% 0% 30% 40% 0% 60% An environmental process changed the color of the surrounding land. This process took place from the beginning of the initial generation through the 30th generation. Select the THREE statements that best explain why the lizards' color trait frequencies changed during that same time period. 0 0 The black color trait allowed many lizards to better survive and reproduce in the changed environment. The brown color trait kept most lizards from being able to survive and reproduce in the changed environment. The red color trait allowed many lizards to better survive and reproduce in e changed environment. The black color trait kept most lizards from being able to survive and reproduce in the changed environment. The red color trait kept most lizards from being able to survive and reproduce in the changed environment. The brown color trait allowed many lizards to better survive and reproduce in the changed environment.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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![**Lizard Body Color and Survival**
The chart below illustrates the body color distribution in a lizard population over the course of 30 generations. A single gene controls the color of the lizards' bodies. Two genetic mutations occurred in the initial population, resulting in red and black body colors. The initial lizard population inhabited a sandy environment.
**Color Distribution in Lizard Population over 30 Generations**
| Body Color | Initial Population | Generation 10 | Generation 20 | Generation 30 |
|------------|--------------------|---------------|---------------|---------------|
| Brown | 80% | 80% | 70% | 40% |
| Red | 10% | 0% | 0% | 0% |
| Black | 10% | 20% | 30% | 60% |
**Description of Environmental Change and Impact on Lizard Population:**
An environmental process altered the color of the surrounding land, which continued from the initial generation through to the 30th generation. Throughout this time, lizard color trait frequencies changed accordingly.
**Task: Identify the Three Correct Statements**
Select the THREE statements that best explain why the lizards' color trait frequencies changed during this period:
- [ ] The black color trait allowed many lizards to better survive and reproduce in the changed environment.
- [ ] The brown color trait kept most lizards from being able to survive and reproduce in the changed environment.
- [ ] The red color trait allowed many lizards to better survive and reproduce in the changed environment.
- [ ] The black color trait kept most lizards from being able to survive and reproduce in the changed environment.
- [ ] The red color trait kept most lizards from being able to survive and reproduce in the changed environment.
- [ ] The brown color trait allowed many lizards to better survive and reproduce in the changed environment.
**Analysis of Color Distribution Chart:**
- **Brown lizards:** Initially the majority at 80%, but their proportion decreased over generations, indicating a reduced survival advantage in the changed environment.
- **Red lizards:** Quickly became extinct after the initial generation, suggesting no adaptation to the environmental change.
- **Black lizards:** Increased from 10% to 60% over 30 generations, indicating a significant survival advantage and successful adaptation to the new environment.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F035e1e1e-5830-4020-b865-ceb45609c558%2F589d1c2a-a2e9-4f4b-acc1-0f751321aed2%2F9nf7oul_processed.jpeg&w=3840&q=75)
Transcribed Image Text:**Lizard Body Color and Survival**
The chart below illustrates the body color distribution in a lizard population over the course of 30 generations. A single gene controls the color of the lizards' bodies. Two genetic mutations occurred in the initial population, resulting in red and black body colors. The initial lizard population inhabited a sandy environment.
**Color Distribution in Lizard Population over 30 Generations**
| Body Color | Initial Population | Generation 10 | Generation 20 | Generation 30 |
|------------|--------------------|---------------|---------------|---------------|
| Brown | 80% | 80% | 70% | 40% |
| Red | 10% | 0% | 0% | 0% |
| Black | 10% | 20% | 30% | 60% |
**Description of Environmental Change and Impact on Lizard Population:**
An environmental process altered the color of the surrounding land, which continued from the initial generation through to the 30th generation. Throughout this time, lizard color trait frequencies changed accordingly.
**Task: Identify the Three Correct Statements**
Select the THREE statements that best explain why the lizards' color trait frequencies changed during this period:
- [ ] The black color trait allowed many lizards to better survive and reproduce in the changed environment.
- [ ] The brown color trait kept most lizards from being able to survive and reproduce in the changed environment.
- [ ] The red color trait allowed many lizards to better survive and reproduce in the changed environment.
- [ ] The black color trait kept most lizards from being able to survive and reproduce in the changed environment.
- [ ] The red color trait kept most lizards from being able to survive and reproduce in the changed environment.
- [ ] The brown color trait allowed many lizards to better survive and reproduce in the changed environment.
**Analysis of Color Distribution Chart:**
- **Brown lizards:** Initially the majority at 80%, but their proportion decreased over generations, indicating a reduced survival advantage in the changed environment.
- **Red lizards:** Quickly became extinct after the initial generation, suggesting no adaptation to the environmental change.
- **Black lizards:** Increased from 10% to 60% over 30 generations, indicating a significant survival advantage and successful adaptation to the new environment.
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