The migration of breeding individuals betweenpopulations causes a corresponding movement ofalleles, which is referred to as:a) mutationb) genetic driftc)gene flowd) random matinge) directional selectionQuestion 58 (Mandatory)Which term indicates the evolution of many closelyrelated species from one or a few ancestral species ina relatively short period of time? This is particularlynoticeable on islands.Microevolutionb) Communal radiationAdaptive radiationd) Preadaptione) Hyper speciationD

QUESTION 57 Certainly! Let's break down each option:a) Mutation: Mutation refers to the spontaneous…

Answered: The migration of breeding individuals…

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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27) In the fruit fly speciation experiment, individuals from separate populations that were raised using the same food source were more likely to attempt mating with each other than individuals raised on different food sources. Why? A) Because they had adapted to their environment in the same way B) Because this is an example of allopatric speciation C) Because the separate populations were able to carry out some gene flow D)Because the jars were accidently placed next to each other so the males and females were able to recognize each 28) What is needed for natural selection to occur? A) Variation sexual reproduction, competition B) Variation, heritability competition C)Variation, competition, time D) Heritability, competition, sexual reproduction
What is the phylogenetic definition of a species? A) A group of individuals that can breed and produce viable offspring B) A group of interbreeding individuals that share the same environment C) A group of individuals that share a common ancestor
8) What data would suggest that a species evolutionary history includes sexual selection as a mechanism that helped shape the species? A) If males and females are significantly different from each other (sexual dimporphism) B) If some males reproduce with multiple females while other males do not reproduce C) If males engage in "risky" behavior D) If males and females form different social groups (i.e. herds are formed from either males or females but not both)
1) Genetic drift is the result of ______. A) differential reproductive success B) chanceC) a large gene pool D) natural selectionE) environmental variation Then explain why every incorrect answer is wrong and why.
Orange is growth of an evolved strain of bacteria and blue is its ancestor. Calculate: A) growth rate of evolved and growth rate of ancestor B) doubling time of the evolved and doubling time of the ancestor C) relative fitness of the evolved compared to the ancestor D) frequency of the evolved after 10 hours if the initial frequency of the ancestor is 0.5
What is the ecological definition of a species? A) A group of individuals that can breed and produce viable offspring B) A group of interbreeding individuals that share the same environment C) A group of individuals that share a common ancestor
Which pattern of evolution is more likely to introduce homoplasies in the relationships between species?A) divergent evolutionB) parallel evolutionC) convergent evolution
Assume the common ancestor was non-venomous, had non-jointed limbs, antennae, and 10 legs. Assume that all evolutionary changes in these traits are shown. a) What traits does Species C have? b) What traits does species F have?
What do all of the species in this cladogram have in common? A) they are all in the Claude archea B) none of them will ever evolve anymore C) they all have a common line of ancestry D) each of them has opposable thumbs and fur
All evolutionary changes that allow a species to change in response to the environment are originally a result of A) beneficial DNA mutations. Eliminate B) movement to new environments where survival is easier. C) cross-breeding with other species of closely related organisms. D) adaptations that organisms make to the environment during their lifetimes. Not Graded
compare and contrast between the following a) allopatric speciation and sympatric speciation. b) autopolyploid speciation and allopolyploid speciation c) natural selection and sexual selection
13) Lake Malawi in Africa is home to about 200 species of allopatrically speciated cichlid fish. However, recent development around the lake is reducing the visabiliy in the lake, and as a result recently diverged species are merging back together. Why? A) Because the geneflow between species has been reduced due to the reduction in visability B) Because those species have not evolved a second reproductive isolation mechanism in addition to sexual selection C) Because the open water habitat is no longer as habitable, so the open water species are now using the bottom habitat D) Because the bottom habitat is no longer habitable, so the bottom habitat species are not using the open water habitat, leading to more hybridization

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