Naturalists who have accepted evolutionary theory now propose that:all of the items listedextinction occurs when the food supply becomes nutritionally unbalancedO populations of plants and animals in nature most often consist of individuals that are clones ofeach otherpopulations of a species that become isolated from others by adapting to differentenvironmental niches quickly become extinctthose individuals whose variation gives them an advantage in staying alive long enough toreproduce are more likely to pass their traits on to the next generation

Step .1.1: This entails the description of natural selection which is an important aspect of…

Answered: Naturalists who have accepted…

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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The neutral theory of evolution proposed that most genetic mutations are functionally neutral or nearly neutral. Neutral mutations would be fixed in a population by: O the invariance of DNA O random genetic drift O balancing selection natural selection asexual reproduction
A farmer wants to make a better corn plant that produces more and bigger kernels. In the chart, information is provided on two ways organisms can change over time. Natural Selection Selective Breeding Humans are not involved in the evolution process Human intervention is involved More generations are involved in natural selection, so it is a slower process Selective breeding is a faster process Survival of the fittest increases species' chance for survival Adaptations may not necessarily improve survival Mutations that result in natural selection occur randomly The desirable charactenstics are artificially chosen What is the best way for the farmer to improve his crop and why? Use evidence from the table to support your reasoning. Please write in complete sentences.
Which part of these statements isn't right ? A species is a group of organisms that can potentially interbreed with one another to produce viable, fertile offspring. Speciation is when two new species form from one original one. Sympatric speciation occurs when there is a geographic separation of a population. Allopatric speciation occurs while the population remains in the same area. Adaptive radiation occurs when one species evolves into many to fill several different niches. Natural selection requires traits to be passed from parent to offspring, more offspring are produced than can survive creating competition, and inherited traits vary among offspring. Fossils, Anatomy and embryology, biogeography, and molecular biology all provide support for the theory of evolution. Evolution can be driven by many different things. Mutations are changes in DNA that create new alleles in a population. Gene flow is the flow of alleles in and out of a population resulting from the migration…
In which population is evolution by natural selection most clearly demonstrated? Group of answer choices A virus sweeps through a population and makes everyone ill. A virus sweeps through a population and kills 10% of infants. It is not clear why some die and some don't. A virus sweeps through a population and kills 20% of the population. It is not clear why some die and some don't. A virus sweeps through a population and permanently sterilizes the 10% of the population that has allele hx25c.
n the late 1800s, the saltation hypothesis (hopeful monster hypothesis) was proposed as a way to explain how speciation happens. Why was this hypothesis ultimately rejected by "the new synthesis"? Because it was silly Because it required individuals to evolve rather than populations Because it could not explain where mutations came from Because we discovered the DNA nature of genes
Can you please help answer this question?
Imagine a group of adventurous people board a boat and leave for another continent. When they get there, they began to prosper and grow in size. After a few generations, some of the families experience an abnormally high number of birth defects, of the same type. This population is probably experiencing: O Kin Selection Founder Effect O Natural Selection O Post-Zygotic Isolation
A reasonable definition for a species is: O A distinct kind of animal. O A group of living things with functionally similar traits, for example, all creatures that can fly. O A group of living things with taxonomically similar traits. O A group of taxonomically similar living things in which all healthy members can interbreed and produce fertile offspring. QUESTION 8 If microevolution is any change in the gene pool of a breeding population, then macroevolution is: O A change in the genetic makeup of group that eventually results in the development of a new species. O The mass exctinction of old species to make way for new. O Changes in the physical environment at large. O When microevolution happens on a large scale. * QUESTION 9 What is the primary cause of speciation? O Extinction. O Overpopulation. O Environmental change. O When a breeding population becomes reproductively isolated from its ancestral population, for a long enough time, in a different enough environment, that it…
What is an adaptation? (select all that apply) A trait that more prevalent in a population as the result of natural selection O A trait that gives an organism a reproductive advantage in its current environment A trait that gives rise to a new species
Which of the following are accurate descriptions of natural selection? Select all that apply. •It selects for traits that increased the complexity of the organism . ��It creates genetic variation. •It creates physical variation. •It selects for traits that helps organisms reproduce most successfully.
Which of the following statements is true? Select one: O a Natural selection selects against those traits of an organism that bring it into a better adaptive relationship with its environment. Ob Natural selection favors those traits of an organism that bring it into a better adaptive relationship with its environment. Which of the following is not required for speciation to occur? Select one O a time Ob niche Oc. interbreeding Od genetic isolation

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