Effects of separation of species due to hurricane

Part 1:

Species

In biological terms, a species is defined as a group of organisms that are able to interbreed to produce fertile and viable offspring under natural conditions. This description of a species can further be characterized as reproductive isolation, where physical and sometimes behavioral traits of an organism will only allow them to reproduce with an organism that has the same traits. Using the aforementioned definition of a species, different breeds of dogs are able to produce fertile and viable offspring because they are all the same species, but dogs and cats are unable to interbreed because they are two different species.

Population

Now, extend the definition of a species to a group of the same species living in the same geographic area. This would represent a population. What would happen if the species within this population were suddenly split into two groups by an earthquake, creating a physical barrier such as a canyon? If a population is divided indefinitely by a barrier, members of the divided population will not have the opportunity to breed with each other.

Impacts

Over many years, the abiotic (nonliving) and biotic (living) conditions on either side of the physical barrier will vary from one another. As a result, natural selection will cause different selective and adaptive pressures to occur between the two divided populations, and they will evolve differently. Over time, this will result in speciation, which is the creation of two new species. This occurs because of reproductive isolation.

Part 2:

Timeline

Use the timeline to view the impact of speciation.

Your observations from the animation should be used to complete the lab worksheet.

 

 

  • Focusing on the specialty for which you were admitted to South University, select an advanced nursing role to research. (It must be one offered by South University.)
  • According to the NPSGs, distinguish the role as clinical or non-clinical and how it promotes patient safety.
  • Find two research articles and one expert opinion article about this role, and summarize the articles in a 3- to 5-page paper.
  • The articles must be current (not more than five years old).
  • Format your paper, citations, and references using correct APA Style.

Get writing help on this assignment and more like it, the simple way.

Top nursing writing service online: Secure Top Grades with top nursing paper writers. Get Top Nursing Papers Now.

Order Now
Open chat