Wild turkeys are dramatically sexually dimorphic | Homework Helpers

  1. These are five essay questions for evolutionary biology
  2. Wild turkeys are dramatically sexually dimorphic; domestic turkeys are far less so. Suppose that female wild turkeys chose males on the basis of expensive traits that indicate disease resistance and that artificial selection for rapid weight gain in domestic turkeys destroys female choice. What would you predict about the evolution of disease resistance in domestic turkeys? If we observe that domestic turkeys are less resistant, does that necessarily mean that wild females had been choosing more-resistant males, or are other hypotheses equally plausible? Please include at least one scientific research article to support your response.
  3. The main processes involved in speciation are genetic separation and phenotypic differentiation. Provide a discussion of at least two (2) plausible causes for both.
  4. Deviations from the environment to which we are adapted have been used to explain a large variety of conditions, including suIDen infant death syndrome (SIDS), the persistent crying known as colic, lower back pain, drug aIDiction, and depression. Consult the scientific literature for details on one such condition and then evaluate the quality of evidence for an evolutionary interpretation of the condition. Be sure to provide references.
  5. Sand gobies are a small, shallow-water marine fish in which males construct nests underneath empty mussel shells. Females come and lay eggs in the mussel shell nest, and males then guard the eggs until they hatch. Males fan water over the eggs with their fins while the eggs develop. The more eggs in their nest, and the more those eggs consume oxygen from the surrounding water, the more the male will fan the eggs.
    Kai Lindstrom and colleagues were curious about how females choose males. In a first experiment, females were placed in an aquarium from which they could view two males, one of whom had been provided with a small nest (a 6cm wide flowerpot nested within a 10cm wide flowerpot), and the other with a large nest (a 10cm flowerpot). Females were kept (with clear partitions) to the side of the nest so that they could not see the inside of the nest – from their point of view, the nests appeared identical. They could, however, see the male at the nest entrance. In a second experiment, low-oxygen water was piped into one of the nests. Again, the females could not perceive the difference in oxygen level from their location-all they could view from their vantage point was the male at the entrance of the nest.
    Two experiments were conducted. After the females had been given ample time to view the males, the small flowerpot was removed (in the first experiment) and the low-oxygen water pipe turned off (in the second experiment). The female was then given access to the entire aquarium and allowed to inspect the inside of the nests for the first time. What she saw was that both males had identical nests-10cm wide flowerpots with normal oxygenation. Yet, in the first experiment, 82% of females first chose the male who initially had the larger nest. In the second experiment, 73% of females first chose the male who initially had low-oxygen water piped into his nest earlier.
    What explanation do you have for these results? How were females able to perceive differences in nests that they could not see, and why did they make the choices that they did?
  6. Why do pathogens evolve quickly?

Calculate your paper price
Pages (550 words)
Approximate price: -

Why Choose Us

Top quality papers

We always make sure that writers follow all your instructions precisely. You can choose your academic level: high school, college/university or professional, and we will assign a writer who has a respective degree.

Professional academic writers

We have hired a team of professional writers experienced in academic and business writing. Most of them are native speakers and PhD holders able to take care of any assignment you need help with.

Free revisions

If you feel that we missed something, send the order for a free revision. You will have 10 days to send the order for revision after you receive the final paper. You can either do it on your own after signing in to your personal account or by contacting our support.

On-time delivery

All papers are always delivered on time. In case we need more time to master your paper, we may contact you regarding the deadline extension. In case you cannot provide us with more time, a 100% refund is guaranteed.

Original & confidential

We use several checkers to make sure that all papers you receive are plagiarism-free. Our editors carefully go through all in-text citations. We also promise full confidentiality in all our services.

24/7 Customer Support

Our support agents are available 24 hours a day 7 days a week and committed to providing you with the best customer experience. Get in touch whenever you need any assistance.

Try it now!

Calculate the price of your order

Total price:
$0.00

How it works?

Follow these simple steps to get your paper done

Place your order

Fill in the order form and provide all details of your assignment.

Proceed with the payment

Choose the payment system that suits you most.

Receive the final file

Once your paper is ready, we will email it to you.

Our Services

No need to work on your paper at night. Sleep tight, we will cover your back. We offer all kinds of writing services.

Essays

Essay Writing Service

You are welcome to choose your academic level and the type of your paper. Our academic experts will gladly help you with essays, case studies, research papers and other assignments.

Admissions

Admission help & business writing

You can be positive that we will be here 24/7 to help you get accepted to the Master’s program at the TOP-universities or help you get a well-paid position.

Reviews

Editing your paper

Our academic writers and editors will help you submit a well-structured and organized paper just on time. We will ensure that your final paper is of the highest quality and absolutely free of mistakes.

Reviews

Revising your paper

Our academic writers and editors will help you with unlimited number of revisions in case you need any customization of your academic papers