Homework Answers
Solution:
order the terms below to indicate how speciation occurs.
Option D) 2,4,3,1,5,6
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2. Order the terms below to indicate how speciation occurs. 1. genetic divergence 2. single group...
Based on the "Allopatric Speciation" video, which of the following can lead to genetic divergence?
5. Based on the "Allopatric Speciation" video, which of the following can lead to genetic divergence? Select ALL that apply. Select all that apply Founder Effect Gene Flow Natural Selection Mutation Genetic Drift6. There are two isolated populations - Population 1 and Population 2. These populations have been separated for a long period of time. Now, imagine that you bring individuals from these populations together to see if they will interbreed. You find that there is only limited interbreeding between Population 1 and Population 2 and...
24. Which of the following species concepts is defined by populations of interbreeding individuals that...
24. Which of the following species concepts is defined by populations of interbreeding individuals that are reproductively isolated from other populations? A. phylogenetic B. ecological C. biological D. morphologicalOn the Bahamian Island of Andros, mosquitofish populations live in now-isolated, freshwater ponds that were once united. Currently, some predator-rich ponds have mosquitofish with a body shape that allows them to swim in short, fast bursts. Other predator-poor ponds have mosquitofish with a body shape that allows them to swim continuously for a...
1. Population is not used in describing species. Population is a group of organisms of the...
1. Population is not used in describing species. Population is a group of organisms of the same species populating a given area, a group of individuals of the same species that live in the same area and interbreed, producing fertile offspring. Interbreeding, sexual reproduction, natural selection and color are used in describing species. Individuals in an interbreeding population share in a common gene pool. My question is can you tell me how interbreeding, sexual reproduction, natural selection and color are...
1. Which of the following mutations could create a frameshift and change the sequence of a...
1. Which of the following mutations could create a frameshift and change the sequence of a protein? 1. A back mutation 2. Deletion of a base 3. Insertion of a base 4. A base substitution of C for A I 2. Which of the following is NOT common to ALL forms of speciation? Select one: a. Formation of a new species b. None, all of these are common to all forms of speciation c. Ecological isolation d. Limited gene flow...
1. What happens to the within-group and between-group genetic variation of the population when gene flow...
1. What happens to the within-group and between-group genetic variation of the population when gene flow occurs in the population? 2. What happens to the within-group and between-group genetic variation of the population when genetic drift occurs in the population? 3. When only one type of allele at a locus is found for a gene, what is this called? 4. What happens to a genetic variation within a population when natural selection is acting on a population? 5. What happens...
QUESTION 14 Below is a cartoon depicting various geological events, starting with one large island (panel...
QUESTION 14 Below is a cartoon depicting various geological events, starting with one large island (panel 1) and ending with four smaller islands sequentially splitting off from each other (panels 2 to 5). Initially, there was only Species A inhabiting on the big island. However, as time went on, more species evolved on these smaller islands, such that at the current time (panel 5), there are five species. Their phylogenetic relationships are shown on the last panel. Please answer questions...
NTRODUCTION Under nearly all circumstances, postzygotic reproductive isolation cannot evolve under the direct action of natural...
NTRODUCTION
Under nearly all circumstances, postzygotic reproductive
isolation cannot evolve under the direct action of natural
selection. Instead, postzygotic isolation evolves as a by-product
of other genetic changes as proto-species diverge. In contrast,
natural selection can directly act to enhance prezygotic
reproductive isolation. Consider two species with overlapping
ranges. If hybrids between the species are less fit than pure
species individuals, females that mated with heterospecific males
would be at a selective disadvantage, because their resulting
offspring had low fitness....
Please answer all the 7 questions for me. Thank you so much for your help. 1. What are a biological species? What is speciation? Discuss the relationship between species and speciation. 2. Define a bi...
Please answer all the 7 questions for me. Thank you so much for your help. 1. What are a biological species? What is speciation? Discuss the relationship between species and speciation. 2. Define a biological population. Why are populations described as dynamic? Provide three examples of properties of a population that can change over time. 3. Which is the most accurate way to determine population size? Describe two different methods for estimating population size. Discuss the advantages and disadvantages of...
Question 1 1 pts When the genes of a small subset of a larger population are...
Question 1 1 pts When the genes of a small subset of a larger population are inherited over time by a large number of descendants it is known as O genotype frequencies gene pool heritability bottleneck founders effect Question 2 1 pts All of the alleles contained within a group of interbreeding individuals is called deme gene pool cline Opolymorphism population Question 3 1 pts The ratios of homozygous and heterozygous individuals found in a population is called: genotype frequencies...
The geneticists studying the alien organisms have deciphered their genetic code. For...
The geneticists studying the alien organisms have deciphered their genetic code. For familiarity, they have used A, C, G, and T to indicate the bases in this code.A comparable genetic sequence in each alien has been identified in the genes that code for eye growth. This genetic sequence has allowed the aliens to bedivided into six groups, with the single-tail, three-eye group split in half. The geneticists also studied several outgroup species (not shown) to compile alikely ancestral DNA sequence....
1. Which of the following mutations could create a frameshift and change the sequence of a protein? 1. A back mutation 2. Deletion of a base 3. Insertion of a base 4. A base substitution of C for A I 2. Which of the following is NOT common to ALL forms of speciation? Select one: a. Formation of a new species b. None, all of these are common to all forms of speciation c. Ecological isolation d. Limited gene flow...
QUESTION 14 Below is a cartoon depicting various geological events, starting with one large island (panel 1) and ending with four smaller islands sequentially splitting off from each other (panels 2 to 5). Initially, there was only Species A inhabiting on the big island. However, as time went on, more species evolved on these smaller islands, such that at the current time (panel 5), there are five species. Their phylogenetic relationships are shown on the last panel. Please answer questions...
NTRODUCTION
Under nearly all circumstances, postzygotic reproductive
isolation cannot evolve under the direct action of natural
selection. Instead, postzygotic isolation evolves as a by-product
of other genetic changes as proto-species diverge. In contrast,
natural selection can directly act to enhance prezygotic
reproductive isolation. Consider two species with overlapping
ranges. If hybrids between the species are less fit than pure
species individuals, females that mated with heterospecific males
would be at a selective disadvantage, because their resulting
offspring had low fitness....
Question 1 1 pts When the genes of a small subset of a larger population are inherited over time by a large number of descendants it is known as O genotype frequencies gene pool heritability bottleneck founders effect Question 2 1 pts All of the alleles contained within a group of interbreeding individuals is called deme gene pool cline Opolymorphism population Question 3 1 pts The ratios of homozygous and heterozygous individuals found in a population is called: genotype frequencies...
The geneticists studying the alien organisms have deciphered their genetic code. For familiarity, they have used A, C, G, and T to indicate the bases in this code.A comparable genetic sequence in each alien has been identified in the genes that code for eye growth. This genetic sequence has allowed the aliens to bedivided into six groups, with the single-tail, three-eye group split in half. The geneticists also studied several outgroup species (not shown) to compile alikely ancestral DNA sequence....
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