2. Why did this happen?3. In the wild, would moth parents haveoffspring that are identical in color to them?4. What does "survival of the fittest" mean?5. How does an adaptation first happen6. How does a trait become more commonin a population over time?

4) what does the survival of the fittest mean? Answer) The concept of the fitness is crucial while…

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Biology

4. What does "survival of the fittest" mean?

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter18: Evolution And The Origin Of Species

Section: Chapter Questions

Problem 8RQ: Which situation would most likely lead to allopatric speciation? Flood causes the formation of a new...

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Human Evolution

Human evolution is the process of evolution of humans from early man to anatomically modern humans. The process of evolution in humans leads to the gradual development of traits like bipedalism. Humans are the highly social animals that make them the most advanced animal on Earth. Human evolution is an outcome of interaction among the following processes:

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2. Why did this happen?
3. In the wild, would moth parents have
offspring that are identical in color to them?
4. What does "survival of the fittest" mean?
5. How does an adaptation first happen
6. How does a trait become more common
in a population over time?

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1. Is there a correlation between survival, reproduction and environment color? Explain. 2. Are there any other factors besides color important in determining survival in the simulation? 3. Why did we set the rate of reproduction at 2/survivor? What would happen if one color always had more offspring than other colors? 4. Suppose that a mutation occurs and a white, “albino” bead is born. How well would it survive in your environment? Please answer all questions please
1. What is the effect of selection on reproduction, allelic diversity, and frequency? 2. What would happen if similar selection continued over several generations?
1. THE PROCESS BY WHICH ORGANISMS CHANGE OVER TIME IS KNOWN AS 2. THE PROCESS WHEREBY ORGANISMS THAT ARE BETTER ADAPTED TO THEIR ENVIRONMENT TEND TO SURVIVE AND PRODUCE MORE OFFSPRING IS KNOWN AS 3. WHO DEVELOPED THE THEORY OF USE AND DISUSE? 4. WHICH THEORISTS SUGGESTED THAT ORGANISMS CAN "ACQUIRE" THE TRAITS NEEDED TO SURVIVE DURING A LIFE TIME? 5. WHICH THEORISTS SUGGESTED THAT ORGANISMS WITH BETTER TRAITS CAN SURVIVE AND REPRODUCE TO PASS THOSE FAVORABLE TRAITS TO THEIR OFFSPRING? 6. GENETIC VARIATION WAS A MAJOR FACTOR IN WHOSE THEORY? 7. "SURVIVAL OF THE FITTEST" WAS COINED BY WHO?
1. Why do you think it is necessary for there to be variation in a population in order for evolution by natural selection to occur? 2. Why is it necessary for traits to be inherited for evolution to take place? 3. If a population is already well adapted to its environment, will most mutations be helpful or harmful? Explain.
1. Cells are the basic unit of life. 2. Genes are the basic units for passing traits from parent to offspring. 3. Evolution by natural selection is the process that has led to the great diversity of species on Earth. 4. Living things maintain the environment within their cells and bodies. 5. Living things have the ability to acquire and transform energy.
10. Many traits seen in organisms are wildly inefficient and prone to malfunction or injury. Why does this finding support the idea of evolution rather than an omnipotent designer? What would we expect for these traits in the intelligent design model? 11. Ants and termites both have highly complex social colonies with queens, workers, and soldiers. Ants evolved from wasps while termites evolved from cockroaches. In this context, are ants vs termites an example of convergent or parallel evolution? How do you know?
Figure 19.8 In recent years, factories have become cleaner, and less soot is released into the environment. What impact do you think this has had on the distribution of moth color in the population?
1. List three to five kinds of plants that belong to the same group but bear different flowers and leaves. 2. List three to five kinds of animals that belong to the same group that may differ in appearance. 3. Are they alike in structure? Explain your answer. 4. Are they alike in functions ? Explain. 5. Can they breed or mate with one another only? 6. Do they have common ancestry? 7. Define species based on the answer to the questions given.
17. Which of the following statements best explains the Theory of Natural Selection? * a. Organs that are not used may disappear, while organs that are constantly used may develop b. In nature, the organism with desirable characteristics may survive, while those weaker traits may not c. Organisms develop desirable structures to survive in a given environment d. Acquired characteristics of parents can be passed on to offspring 18. Larry Daley is a paleontologist found out some Central American Acacia species that have hollow thorns and pores at the bases of their leaves that secrete nectar. He used the species to understand the history and origin of the place. From the given situation, the Central American Acacia species is an example of _____________. * a. evolution b. fossil c. mutation d. coevolution
9. Which of the following statements best explains the Theory of Natural Selection? * A. Organs that are not used may disappear, while organs that are constantly used may develop B. In nature, the organism with desirable characteristics may survive, while those weaker traits may not C. Organisms develop desirable structures to survive in a given environment D. Acquired characteristics of parents can be passed on to offspring
1.Scientists is doing artificial breeding experiments often use radiation or other methods to increase the mutation rate. Why is a high mutation rate useful? 2. How does mutation rate affect the speed at which a population adapts to its environment? 3. How does the mutation rate affect a population’s ability to adapt to its environment?
12. Which can bring new traits to a population and why? 1. natural selection - because it increases the frequency of adaptive alleles in a population over time 2. natural selection and mutation because both increase the frequency of adaptive alleles in a population over time 3. mutation - because it increases the frequency of adaptive alleles in a population over time 4. natural selection and mutation because both make new alleles 5. natural selection - because it makes new alleles 6. mutation - because it makes new alleles