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: 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: What is evolutionary fitness?

A: Evolutionary Fitness is how well a species is able to reproduce in its environment.  Evolutionary…

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 effect does the level at which natural selection operates (genes, individuals, or groups) have…

A: Natural selection is a theory of evolution given by Darwin. It is the theory of survival of the…

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: Can evolution occur without allele frequency changes?If not, why not? If so, how?

A: In biology, evolution refers to the change in heritable traits of a population over several…

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: What are the shreds of evidence that the theory of evolution happened to all living forms?

A: Evolution is a complicated process in which living creatures' properties change over generations as…

Q: Which of the following statements is most accurate? a) Humans evolved from chimpanzees. O b) If…

A: All the statements in the given question are related to the evolution and all are surely correct but…

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: 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: In order for evolution to occur via natural selection on a particular trait, which of the following…

A: The correct answer is: variation, fitness consequences, and mode of inheritance.Variation: This is…

Q: Which of the following statements about the forces that drive evolution is TRUE? O Unlike the other…

A: Gene flow is the flowing or moving of the genes or alleles in to a population by immigration into…

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: 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: How does the emergences of genetics create a new perspective for darwinian evolution?

A: Evolution is a change in successive generations in the heritable characteristics in biological…

Q: f heredity is the passing on of traits from arents to their offspring, how is evolution possible?

A: In simple words, evolution is the process of gradual changes taking place over generations…

Q: explain the following mechanism of evolution: 1. mutations 2. gene flow 3. genetic drift 4.…

A: A simple and old definition of evolution is descent with modification. Therefore, evolution can be…

Q: Does natural selection cause micro or macro evolution? Explain.

A: On the basis of scales, at which evolution occurs, biological evolution is divided into…

Q: 1. 2. 3. re the 4 1) OVERPRODUCTION - What leads to over overproduction? Observations Overproduction…

A: There are a few important points : Evolution helps us to understand the history of life. Character…

Q: What is the theory of Darwinism?What did Darwin propose as the mechanism of evolution?

A: The evolution is defined as the changes in the heritable characteristics of biological population…

Q: Which evolutionary factors are random processes? Which among are not? Why?

A: The evolutionary processes that are: random are mutation, non-random mating, gene flow, finite…

Q: Lamarck proposed that evolution occurs through the following basic steps: Organisms are born with…

A: Jean Baptiste Lamark was the first man who proposed a mechanism to explain the gradual changed in…

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: How could natural selection lead to evolution?

A: The divergence of the species by the natural selection is best described by the evolution,best at…

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…

Q: Which of the following is true about natural selection? a) It always results in the evolution of…

A: Natural selection is one of the fundamental mechanisms of evolution. Evolution refers to the process…

Q: According to the Hardy-Weinberg Equilibrium Equation, all of the following slow down or stop…

A: A key idea in population genetics is the Hardy-Weinberg Equilibrium, which clarifies how genetic…

Pre-Darwinian Concepts