Homework Answers
1. Biological species: The criteria needed to define a population in this concept is "a biological species is a group of individuals which can interbreed easily without any hindrance or isolation to produce a fertile offspring" means two individuals who can breed naturally and can produce healthy, fertile offspring is a biological species. (however this is not applicable for plants)
2. Morpho Species: This criteria states that "similar to identical morphological characters would reflect relatedness and therefore result in a species" that means those individuals who have similar or identical morphological characters like body shape, structure, etc falls under same species.
3. Phylogenetic species: This criteria states that "species are the smallest group of individuals on a phylogenetic tree related from other species from the same tree by a common ancestors" means to be a individual of a species one must have to characteristics related to the common ancestor of the tree, having complementary base pairs of DNA shared among all the members of the species and all the member species of the tree with the common ancestor.
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Question: In general, scientists have three common species concepts: the Biological species, the Morphospecies, and the...
Question 1 Can the biological species concept be applied to bacterial species M. bovis and M....
Question 1 Can the biological species concept be applied to bacterial species M. bovis and M. tuberculosis? I think the answer is (A) but would appreciate confirmation and reasoning. A) No, M. bovis and M. tuberculosis don't reproduce sexually so species can't be defined based on the ability to interbreed. B) Yes, they are living, biological, organisms so the biological species concept is applicable. C) No, M. bovis and M. tuberculosis inhabit different hosts so don't interbreed in nature. Question...
A biological _____ consists of the different species within an area, typically a three-dimensional space, and...
A biological _____ consists of the different species within an
area, typically a three-dimensional space, and the interactions
within and among these species.
community
population
ecosystem
organism
Match the following organisms with the type of method that would be used to measure population density. Bluebonnets B mark and capture skunks live oak tree truffles (a fungus that is a delicacy)
Question 13 1 pts In a hypothetical scenario, imagine that you have discovered a rare species...
Question 13 1 pts In a hypothetical scenario, imagine that you have discovered a rare species of bird on a remote Pacific island. You spend some time studying their ecology and habitation and discover that although these birds look alike, they are indeed two distinct populations with very different mating calls. You propose that these two populations must be two species since they are no longer able to mate with one another. Which of the following species concepts would you...
Interbreeding O polyploidy O macroevolution Question 8 2 pts The biological species concept distinguishes species based...
Interbreeding O polyploidy O macroevolution Question 8 2 pts The biological species concept distinguishes species based upon o their evolutionary relationships o differences in perance Otheir ecological niche their inability to reproduce Question 2 pts pigmentation and fully Cave-dwelling catfish and cave-dwelling earthworms both lack pigmentation and their eyes are reduced or absent. The most recent common ancestor to these organisms had developed eyes. The similarities between cave catfish and cave earthworms are an example of O coevolution shared derived...
The biological species concept defines a species as a group of populations whose members have the...
The biological species concept defines a species as a group of populations whose members have the potential to interbreed in nature and produce viable, fertile offspring. This means that all members of these populations can contribute to a common gene pool. These populations belong to the same species. Genes are transferred between these populations through both direct and indirect gene flow. Biologists used genetic techniques to look for gene flow in 12 wild populations of mice. The populations (designated A...
Animals have general features in common All species of animal have general features in common. Check...
Animals have general features in common All species of animal have general features in common. Check all of the features that would apply to animals. Check All That Apply o Animal cells possess a cell wall and are quite rigid. o Most animals have the capacity for active movement. o Animal zygotes undergo mitotic divisions called cleavage. o Not all animals are multicellular. o All animals produce diploid spores. o All animals are heterotrophs.
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...
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...
A continental population of songbirds has a locus for beak colour with two alleles: AA=red, Aa=orange,...
A continental population of songbirds has a locus for beak colour with two alleles: AA=red, Aa=orange, and aa=yellow; A is at 80% in the population and a is at 20%. In a founder event involving a single pregnant female, who mated once before flying away to a remote island, the probability of the new population being all yellow- beaked is approximately what? One in five. One in ten. One in 1,000. One in 100. Question 17 (1 point) Dogs (Canis...
Please help and explain Biological fitness is best defined as A) a heritable trait that increases...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
A biological _____ consists of the different species within an
area, typically a three-dimensional space, and the interactions
within and among these species.
community
population
ecosystem
organism
Match the following organisms with the type of method that would be used to measure population density. Bluebonnets B mark and capture skunks live oak tree truffles (a fungus that is a delicacy)
Question 13 1 pts In a hypothetical scenario, imagine that you have discovered a rare species of bird on a remote Pacific island. You spend some time studying their ecology and habitation and discover that although these birds look alike, they are indeed two distinct populations with very different mating calls. You propose that these two populations must be two species since they are no longer able to mate with one another. Which of the following species concepts would you...
Interbreeding O polyploidy O macroevolution Question 8 2 pts The biological species concept distinguishes species based upon o their evolutionary relationships o differences in perance Otheir ecological niche their inability to reproduce Question 2 pts pigmentation and fully Cave-dwelling catfish and cave-dwelling earthworms both lack pigmentation and their eyes are reduced or absent. The most recent common ancestor to these organisms had developed eyes. The similarities between cave catfish and cave earthworms are an example of O coevolution shared derived...
Animals have general features in common All species of animal have general features in common. Check all of the features that would apply to animals. Check All That Apply o Animal cells possess a cell wall and are quite rigid. o Most animals have the capacity for active movement. o Animal zygotes undergo mitotic divisions called cleavage. o Not all animals are multicellular. o All animals produce diploid spores. o All animals are heterotrophs.
A continental population of songbirds has a locus for beak colour with two alleles: AA=red, Aa=orange, and aa=yellow; A is at 80% in the population and a is at 20%. In a founder event involving a single pregnant female, who mated once before flying away to a remote island, the probability of the new population being all yellow- beaked is approximately what? One in five. One in ten. One in 1,000. One in 100. Question 17 (1 point) Dogs (Canis...
Please help and explain
Biological fitness is best defined as A) a heritable trait that increases the match of an individual to its environment. B) similar reproductive success among individuals in a population. C) variability in the population for a trait that increases survival. D) the ability of an individual to produce offspring that survive and reproduce, relative to other individuals in the population. E) competition among individuals for resources that allow them to have more offspring Phylogenetic trees constructed...
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