Biology: Life on Earth with Physiology (11th Edition)
11th Edition
ISBN: 9780133923001
Author: Gerald Audesirk, Teresa Audesirk, Bruce E. Byers
Publisher: PEARSON
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Chapter 16.3, Problem 2CYL
- explain how competition and predation influence evolution?
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Chapter 16 Solutions
Biology: Life on Earth with Physiology (11th Edition)
Ch. 16.1 - define evolution in terms of concepts from...Ch. 16.1 - define equilibrium population and describe the...Ch. 16.2 - Evolution of a Menace The mutant alleles that...Ch. 16.2 - describe how mutation, gene flow, genetic drift,...Ch. 16.2 - A flu vaccination stimulates your immune system to...Ch. 16.2 - If it were true that mutations do occur in...Ch. 16.2 - Explain how the distribution of genotypes in...Ch. 16.2 - If a population grows large again after a...Ch. 16.2 - Prob. 4TCCh. 16.3 - describe why selection of phenotypes can affect...
Ch. 16.3 - A team of phys clans treated four patients with...Ch. 16.3 - If we studied a population of bighorn sheep and...Ch. 16.3 - explain how competition and predation influence...Ch. 16.3 - When selection is directional, is there any limit...Ch. 16.3 - Prob. 3CYLCh. 16.3 - Microbiologists have discovered that alleles...Ch. 16.3 - compare and contrast directional selection,...Ch. 16 - In North America, the average height of adult...Ch. 16 - The ______ provides a simple mathematical model...Ch. 16 - The alleles responsible for antibiotic resistance...Ch. 16 - What is a gene pool? How would you determine the...Ch. 16 - By the 1940s, the whooping crane population had...Ch. 16 - Different versions of the same gene are called...Ch. 16 - Stabilizing selection on a trait tends to a. make...Ch. 16 - Define equilibrium population. Outline the...Ch. 16 - An organisms ______ refers to the specific alleles...Ch. 16 - An adaptation is a. any trait that arises from a...Ch. 16 - How does population size affect the likelihood of...Ch. 16 - A random form of evolution is called ________....Ch. 16 - Which of the following statements about mutations...Ch. 16 - If you measured the allele frequencies of a gene...Ch. 16 - Competition is most Intense between members of...Ch. 16 - Genetic drift occurs a. when different phenotypes...Ch. 16 - People like to say that you cant prove a negative....Ch. 16 - The evolutionary fitness of an organism is...Ch. 16 - Describe the three ways in which natural selection...Ch. 16 - What is sexual selection? How is sexual selection...
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- Explain why you chose A or B, etc. Provide a logical explanation defending your answer choice. Q: If two species are competing for a resource, and one species is a much better competitor than the other, the most likely outcome is _________. Group of answer choices A) The stronger competitor attempts to predate the other B) The competitors partition the resource they are competing over C) Evolution of a mutualist or commensal relationship D) All of these are likely E) Extirpation of the weaker competitor Q: 3-toed sloths have a species of algae that live in their hair, which improves their camouflage in the forest canopy. In turn, the algae get moisture and a place to grow. This is an example of a(n) ________________ interaction, and is denoted by ______. Group of answer choices A) Amensal, +/0 B) Amensal, -/0 C) Mutualistic; +/+ D) Commensal; +/0 E) Commensal; +/+ F) Mutualistic; +/0arrow_forwardExplain why you chose A or B, etc. Provide a logical explanation defending your answer choice. Q: If two species are competing for a resource, and one species is a much better competitor than the other, the most likely outcome is _________. Group of answer choices A) The stronger competitor attempts to predate the other B) The competitors partition the resource they are competing over C) Evolution of a mutualist or commensal relationship D) All of these are likely E) Extirpation of the weaker competitor Q: 3-toed sloths have a species of algae that live in their hair, which improves their camouflage in the forest canopy. In turn, the algae get moisture and a place to grow. This is an example of a(n) ________________ interaction, and is denoted by ______. Group of answer choices A) Amensal, +/0 B) Amensal, -/0 C) Mutualistic; +/+ D) Commensal; +/0 E) Commensal; +/+ F) Mutualistic; +/0 The following is my reasoning: Is my reasoning correct or at least on the…arrow_forwardWhich of the following correctly refer to individuals with lower fitness? A) Have a selective disadvantage B) Are selected against C) Have an evolutionary benefit A and B A, B, and Carrow_forward
- Use the concept of coevolution to explain the abundance of large mammals in Africa after the rise of humans but their rapid demise in the Americas after the arrival of humans?arrow_forwardSuppose a very small group of birds serves as the foundation of a new population. As a result, the population is very genetically homogeneous. What phenomenon has affected this population? O a) Mutation O b) Gene flow Oc) Non-random mating O d) Genetic driftarrow_forward1. Describe two types of interactions between two competing species. 2. Explain how potentially competing species may co-exist. 3. Explain resource partitioning. Give an example. 4. Discuss the co-evolution of predator defences. 5. What is mutualism? Discuss in the context of coevolution. 6. Explain optimal foraging 7. Explain the Red Queen view of evolution 8. Explain one problem related to the concept of coevolution. Give an example. 9. What are the 4 examples of social behaviour among species according to Herron and freeman (2015). Discuss one example of each type of interaction.arrow_forward
- What determines whether two species will live harmoniously together, or whether competition will result in the extinction of one of them and the survival of the other?arrow_forwardExplain how sexual selection might lead to a)sexual dimorphism and b) members of one sex (usually male) having traits that do not enhance their survivalarrow_forwardWhich of the following statements is not true of an ecological niche?a. A niche includes the physical environment, such as climate and water availability.b. A niche includes predators and parasites.c. Niche overlap may help to drive evolution.d. Two species cannot have overlapping niches.arrow_forward
- why does predation usually have a stronger impact on natural selection of prey species than competition with another prey species?arrow_forwardYou are studying a population of birds isolated on a small island. You discover that there the density of birds is much higher on the island than on the mainland, and birds are competing fiercely for resources. What other differences might you predict would evolve on the island as a result of the differences in density and competition? Larger offspring on the island More offspring on the island Reduced parental investment on the island All of the abovearrow_forwardDescribe how a) genetic drift, b) natural selection, and c) mutation affect the fitnessof individuals in a population.arrow_forward
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GCSE Biology - Adaptations #79; Author: Cognito;https://www.youtube.com/watch?v=tC-u8xcZYSM;License: Standard Youtube License