Sign In
Not register? Register Now!
Essay Available:
Pages:
1 page/β‰ˆ275 words
Sources:
2 Sources
Style:
APA
Subject:
Life Sciences
Type:
Essay
Language:
English (U.S.)
Document:
MS Word
Date:
Total cost:
$ 3.96
Topic:

Amphibian and Fish Gastrulation

Essay Instructions:

Prepare and essay by outlining gastrulation in an amphibian model.
Next outline the events in a fish model.
Compare the two by listing at least 4 mechanism that they share, and then 4 contrasting characteristic. Include variables such as why and how each is an appropriate model
Keep the following guiding questions in mind as you complete this activity taking care to ensure your response address them:
•Why is gastrulation a separate distinct step in the life cycle? Why is it significant?
Complete the assigned readings (Activity One).
Prepare an essay of about 200 words addressing the following: Compare and contrast the amphibian and fish gastrulation. What are evolutionary adaptations of each system? Why and how are each valuable as developmental biology models? You should not need or use any references other than the class materials.
Make sure to write in your own words as much as possible, using quotation marks and internal citations if you must cite the text directly. Always include page numbers if you cite the text.

Essay Sample Content Preview:

Amphibian and Fish Gastrulation
Name
Course
Instructor
Date
Gastrulating in amphibians there is added yolk compared to the other vertebrates, whereby there in transformation of two-dimensional sets of cells to three-dimensional embryos in amphibians and fish. As the body structure develops the ectoderm, mesoderm as well as endoderm the three germ layers form. The amphibian eggs typically have more mostly in vegetal hemisphere and the high yolk concentration affects cleavage, while there are various mechanisms by which amphibians gastrulate.
The main features gastrulating in amphibians and fish are involution, epibody and convergent extension. Involution relates to the rolling in of the endoderm and mesoderm at the blastopore. epiboly relates to the spreading and thinning in the endodermal sheet as well the mesoderm and endoderm moving inside. The convergent extension is the elongation of the body axis. In fish gastrulation, one of...
Updated on
Get the Whole Paper!
Not exactly what you need?
Do you need a custom essay? Order right now:
Order

πŸ‘€ Other Visitors are Viewing These APA Essay Samples:

HIRE A WRITER FROM $11.95 / PAGE
ORDER WITH 15% DISCOUNT!
Order Now