Generally, will natural selection result in an increase or decrease in variation? Why does this happen, and how, in theory, will it affect evolution in the future?

Q: Is evolution by natural selection based on the desires of individuals within the evolving…

A: Evolution through natural selection is a biological process that operates independently of the…

Q: How is variation related to evolution?

A: Evolution is change in the heritable qualities of natural populaces over progressive generations.…

Q: 1 a) Which of the following statements is true about evolution? i) populations are selected but…

A: Evolution is defined as genetic changes in populations of organisms through time that lead to…

Q: Which of the following conditions are required for natural selection?

A: Answer. Natural selection is a process in which the organism which is better adapted to the…

Q: On which traits natural selection operates?

A: Evolution is the cumulative change in the characteristics of an organism or a population over the…

Q: How might artificial selection and natural selection produce the same result? Which process would be…

A: Natural and artificial selection both can cause changes in plants and animals.  The basic difference…

Q: How Do We Know That Evolution Has Occurred?

A: Evolution can be defined as the change that will occur in the quality of the species over different…

Q: In what sense is natural selection more “predictable”than genetic drift?

A: Changing environment leads to the certain organisms from a population for adaptation according to…

Q: What is the difference between artificial selection and natural selection?

A: Evolution can be precisely defined as any change in the frequency of alleles within a gene pool from…

Q: In what way is artificial selection different from natural selection?

A: Over time, populations undergo evolutionary changes as a result of both natural and artificial…

Q: If evolution requires genetic variation, can populations of asexually reproducing organisms evolve?…

A: One of the defining features of living species is their capacity to evolve and evolution takes place…

Q: Which of the following processes and or mechanisms of evolution violate the assumptions of…

A: The Hardy-Weinberg principle states that a population’s allele and genotype frequencies will remain…

Q: Why does variation exist in nature? What could be its significance?

A: Variation causes and definition ---  The following factors are mainly responsible for variation ---…

Q: Is evolution by natural selection a random process?

A: Evolution is changes of simpler organism to complex organism by continuos changes during a period of…

Q: Why can’t evolution act on individuals?

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: Many people assume that modern medicine has eliminated natural selection in humans. What are three…

A: Natural selection is the process through which populations  adapt and change. Individuals in a…

Q: How does natural selection ‘spark’ evolution? How can evolutionary trees be used to inform us about…

A: INTRODUCTION A phylogenetic tree is a diagram that represents evolutionary relationships among…

Q: Does Convergent Evolution increase or decrease genetic variation

A: Evolution is the process by which populations of organisms change over generations. These mutations…

Q: Which of the following changes or mutations can be acted upon by natural selection? For each choice,…

A: Charles Darwin is often considered the father of evolution theory as he gave the modern theory of…

Q: Black lava rocks only appeared in the desert about 1000 years ago. If the first dark-colored rock…

A: It's depends on how fast new mutation occur

Q: What are the correct steps for evolution by natural selection

A: Evolution is a process of becoming more advanced because of useful directional change or any…

Q: What are two ways to define evolution?

A: Evolution is the process by which organisms undergo genotypically changes and acquire modified…

Q: Evolutionary biologists often say that evolution “selects for outcomes” not for the particular…

A: Organisms do evolve based on the environmental causes to sustain in the dynamic and competitive…

Q: What is natural selection?

A: Answer- According to Darwin evolution happens due to natural selection and branching descent.

Q: How do biochemistry and molecular genetics contribute to the evidence that evolution has occurred?

A: Evolution is the adjustment of the qualities of an animal types more than a few generations and…

Q: What is meant by a mechanism of evolution?

A: Evolution is represented as a change over several generations in the inherited characteristics of…

Q: How is evolution by natural selection thought to operate?

A: Evolution is the process of heritable change in the characteristics of an organism. Such changes…

Q: What are the key concepts pertaining to the theory of evolution?

A: Evolution is the changes occurring in the characteristics of population and these characteristics…

Q: What is natural selection and how does it drive evolution?

A: Introduction: Natural selection is a process that drives evolution by selecting the fittest…

Q: What is the role of variation in evolution – if heterozygosity is reduced, what happens to the…

A: Evolution is the process of change in the characteristics of a population over time. The changes in…

Q: What is natural selection? Do you think it plays a vital role in the course of evolution alone? Why?

A: Evolution is defined as alterations in the characteristics of biological populations that are…

Q: How do you explain evolution to people who believe that it is just a theory

A: Evolution is characterized as the course of development and improvement or the theory that organic…

Q: One of the lines of evidence that led Darwin to the theory of natural selection was his study of…

A: People have affected their environment and the species with which they share it. One of the…

Q: According to Darwin’s model of evolution, evolution can only occur if there is some variation…

A: Darwin's model of evolution is based on the idea of natural selection. The basic premise is that…

Q: Which of the following factors are required in order for evolution to occur?   a. Individuals…

A: Darwin claimed that every species have a common origin, that species can change through time, and…

Q: If natural selection can only operate on existing variants, where does all that variation come from?…

A: Natural selection can just function on a population's preexisting variety. Mutation, or a…

Q: Which of the following processes and or mechanisms of evolution violate the assumptions of…

A: A population must satisfy five key suppositions in order to be in Hardy-Weinberg equilibrium, or a…

Pre-Darwinian Concepts