Part A Provide a genetic explanation for the origin of achromatopsia on Pingelap, and explain the...
please help me with these questions. i cant post anymore and im studying for my exam. thank you in advance A flock of birds which are blown of course and end up on an unpopulated island could be an example of: Vicariant Speciation a Founder Event A Bottleneck Natural Selection Which of the following is NOT one of the five theories of Darwinism (Mayr)? Survival of the fittest Gradualism Common descent Perpetual Change Multiplication of species Which of the following...
20. Phenotypic plasticity A. is when an organism survives but not does not reproduce. B. only happens for animals, not plants C. is the altered phenotype of organism based on variation in genotype. D. none of the above 21. Commensalism is when A. for example, there is colonization by a gastrointestinal bacterial species that provides neither a benefit nor an ailment for the host B. there is an exaptation due to hybridization C. there is a mixture of chromosomes as...
Below is a list of several scenarios that have occurred in our natural world. Read the situation carefully and identify the type of selection taking place. Explain why you choose your answer. Stabilizing selection Genetic Drift Directional selection Heterozygote Advantage Disruptive selection Bottleneck Founder effect Underdominance A) After a chemical plant moves into town near a meadow, local downwind populations of plants begin to adapt to the resulting air pollution. Scientists document that the acid rain tolerance of several plant...
i need a drawing of a concept map for this article. The format of the concept map should be the is shown below, pick one that is suitable for this article. The concept map should be related to this article with explanation For a start, male & female African elephants (Elephas maximus) differ in tusk development. Most males have tusks, while many females are tuskless, or have small tusks. (This suggests that the genetic contol of tusk development must be...
BIOL 1020 Homework Evolution & Natural Selection 4 NATURAL SELECTION: 1. In your OWN words, explain what natural selection is. What is required? What is the result? 2. True or false? For natural selection to work, a population must have genetic variation. Explain your answer. 3. List three sources of genetic variation in a population. Identify which sources are most important for asexually reproducing organisms. Which method is most important for sexually reproducing organisms? 4. List three mechanisms which cause...