Simmons and Scheepers in their article Winning by a Neck present evidence that the long neck of the giraffe is the result of: Select one: a.genetic drift b.inheritance of acquired characteristics c.intersexual selection d.intrasexual selection e.natural selection

Q: Stabilizing selection on a trait tends toa. make the trait more extreme.b. reduce variability in the…

A: Introduction  The concept of Natural Selection was given by Charles Darwin. He was a pioneer…

Q: On Greenland, generation after generation of the female green grasshoppers prefer to mate with the…

A: Option B) Directional selection

Q: Write a concluding paragraph that goes through the five steps of natural selection: THESE ARE THE…

A: The majestic march of evolution started since life  come into existence in this ever changing…

Q: Behavioral ecology assumes a. that all behavioral traits are innate. b. learning is the dominant…

A: Answer- Behavioral ecology is the field of science in which the evolutionary basis of the animal…

Q: Constant washing with antibiotic soap initially kills most of the bacteria on your hands but…

A: Introduction Various bacterial strains caused wide range of diseases and are pathologically harmful.…

Q: Some females seem to prefer the green colouration and some females seem to prefer the blue…

A: stabilizing or balancing selection is where heretozygotes are selected rather than any of…

Q: Which of the following are traits typical of intrasexual selection?   a. Weapons   b. Choosiness…

A: intrasexual selection refers to competition with members of the same sex.It occurs when members of…

Q: When we take, say, 100 individuals of a species of beetle from the wild and place them in a new…

A: Each environment that an organism inhabits is distinct from the others. Its natural habitat is…

Q: How does sexual selection differ from natural selection? a. It does not require heritable traits. b.…

A: Natural selection typically results in people who are well-adapted to their environment, whereas…

Q: For each of the following situations, indicate if it is best explained by (A) directional selection;…

A: Directional selection : It is also called positive selection. When an extreme phenotype is favoured…

Q: In your own words, how does Competition and selection support natural selection? Use at least 1…

A: The question asked is how competition and selection support natural selection. Natural selection is…

Q: In Darwin’s finches, a. occurrence of wet and dry years preserves genetic variation for beak size.…

A: Evolution can be defined as a process by which organisms change their characteristics over time. It…

Q: One way for disruptive selection to occur is ifa. the population contains diversity.b. the…

A: Evolution refers to the change in the species characteristics over several generations. Evolution…

Q: The famous Galapagos finches likely first came to the Galapagos Islands (near Ecuador) through heavy…

A: Option A: This option is incorrect because the founder effect occurs when a limited subset breaks…

Q: When comparing individuals of a population, a scientists finds a trait (A) that is shared by most…

A: Introduction  Natural selection is a process by which populations of organisms change over time…

Q: Darwinian fitness is a measure of a. survival. b. reproductive success. c. heterozygosity of the…

A: Biological fitness refers to a condition in which an increase in frequency is seen in a competing…

Q: Imagine that some lizards from both islands are brought to a laboratory and lizards from each…

A: Evolution is a gradual change in species over time. It is a continuous process.

Q: A population of bats is found on an island.  A detailed study of the bats reveals that the average…

A: In the given case, there is natural selection in which the population stabilizes on the individuals…

Q: Natural selection works on   a. individuals.   b. genes.   c. populations.   d. species.

A: Introduction :- The process through which populations of living things adapt and change is known as…

Q: A population of gophers is very isolated, so no individuals can move in/out of the population. It is…

A: introduction Genetic drift is a mechanism of evolution in which allele frequencies of a population…

Q: Selection that causes one extreme phenotype to be more frequent in a population is an example ofa.…

A: Natural selection occurs on heritable characteristics of the population. There are various kinds of…

Q: The fantastic coloration and behavioral displays in the birds of paradise that we watched in class…

A:

Q: Which of the following would be the worst example of convergence? a. Elongated wing feathers in two…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: The good genes model of sexual selection is a popular hypothesis for mate choice.  What is an…

A: Individuals with more adaptive variations are better fit than the individual with less adaptive…

Q: Do the following examples describe directional, disruptive, balancing, or stabilizing selection?…

A: Gene pool is a collection of all the genes found in a population. Within a gene pool, each gene type…

Q: Hominid brain size has increased over the last 3 million years. This is probably due to:   A.…

A: Change in beak is a directional change. Homo sapiens sapiens has the largest brain.

Q: Which of the below options are what actually cause the fitness differences that natural selection…

A: In the natural world, the process of evolution unfolds through mechanisms like natural selection.…

Q: If the average phenotype of a trait in a population remains unchanged for a very long period of…

A: Whenever the average phenotype and hence genotype of population remains unchanged for a very long…

Q: Which of the following statements is true? A. Evolution involves a change in gene frequencies from…

A: According to the biological theory of evolution, the diverse kinds of living creatures on Earth…

Q: Which of the following is the best description of sexual selection?   a. Sexual selection is the…

A: Ans-  c.  Sexual selection is the differential reproductive success due to variation in acquiring…

Q: Is the evolution of behavioral traits versus other traits, like morphological trait, likely to be…

A: The behavioral traits is defined as the traits that can be seen due to behaviour of a person, like…

Q: Does natural selection occur when which of the following conditions are met? A. Variations between…

A: Charles Darwin was first who thoroughly clarified the principles of "Natural selection". It is the…

Q: Which of the following is the most important trait in terms of evolutionary success a. production of…

A: Natural selection, the theory behind Charles Darwin's theory of evolution, holds that organisms with…

Q: Which of the following changes would cause directional selection? a A habitat made of trees with…

A: Directional selection  This selection takes place when organisms having characteristics represented…

Q: Which of the following is true about the evolution of sensory bias?   a. The sensory perception…

A: This model of sexual selection posits that female mating preferences are byproducts of natural…

Q: A farmer breeds sheep with the desired traits of disease resistance and tine wool. After several…

A: Gene pool  Gene pool is the collection of all type of gene present in a population. This gene may be…

Q: some bears, such as those with thin or no hair, moved south and other bears with very thick fur…

A: * The polar bears with thin or no hair move towards the and other bears with thick fur stayed in…

Q: t is believed that trichomes give an evolutionary advantage to plants when herbivory is high because…

A: There are many types of selection. Stabilizing, directional, and diversifying selection either…

Q: In marine iguanas males are much larger than females and fight with one another for access to areas…

A: A. It is not disruptive selection because it's sex-specific. B. It is intrasexual selection because…

Q: many birds males display to females at perch sites.  Females visit multiple perch sites, watch the…

A: E) Intersexual Selection As in Intersexual Selection one of the sex especially male try to impress…

Q: Atlantic cod have experienced decades of overharvesting. As a result, the age of maturity of…

A: The Atlantic cod (Gadus morhua) is a type of fish that has long played an important role in both the…

Q: How could you add the five steps of natural selection for a Bengal tiger? please relate this to…

A: Natural selection is a selective procedure for the survival of fittest and leads to evolution into…

Q: Which of the following is the MOST important characteristic of a trait for it to undergo descent…

A:

Q: Which species are examples of intrasexual selection? Please select all correct answers. a. Elk b.…

A: Intrasexual selection is a selection in which there is competition occurs between members of the…

Ecological adaptations

An ecological adaptation is any morphological, physiological, or behavioral trait of an organism that allows it to survive and reproduce in a habitat or ecosystem. Adaptation is a biological mechanism by which an organism gradually gets more acclimated to its surroundings.