What are the three major groups into which mammals are

Assignment Help Biology
Reference no: EM131179003 , Length: 600 Words

Mammals

1. What are the typical features of mammals?

2. What are the three major groups into which mammals are divided?

3. Do all mammals have a placenta?

4. What are the major orders of placental mammals? What are a few representative species and distinguishing features of each of those orders?

5. How is gas exchange done in mammals?

6. How is circulation characterized in mammals?

7. What is the kind of nitrogen waste that mammals eliminate?

8. How do placental mammals reproduce?

9. Is fecundation in mammals external or internal?

10. Is the mammalian embryonic development indirect or direct?

11. Are there aquatic and flying mammals?

12. Are the limbs modified into wings of bats and the wings of birds instance of evolutionary homology or analogy? What about whale finscompared to fish fins?

13. Mammal identity card. How are mammals characterized according to examples of representing beings, skin, respiration, nitrogen waste, basic morphology, circulation, thermal control and types of reproduction? 

Verified Expert

Mammals of the monotreme group (platypus, echidnas) are oviparous egg- laying and they don’t have a placenta. Artiodactyls mammals with an even number of fingers in claws or paws like cows, sheep, and giraffes. Carnivorous predators with canine teeth like dogs, lions, tigers.

Reference no: EM131179003

Questions Cloud

Prepare the stockholders equity section of balance sheet : Penn Company was formed on July 1, 2012. It was authorized to issue 300,000 shares of $10 par value common stock and 100,000 shares of 8% $25 par value, cumulative and nonparticipating preferred stock. Penn Company has a July 1–June 30 fiscal year. P..
The expected incremental after tax cash flows : The expected incremental after-tax cash flows (cash flows of the NC equipment minus cash flows of the old equipment) associated with the project follow:
What do you consider to be the key passages in the narrative : From Frederick Douglass' "Narrative of the Life of Frederick Douglass, an American Slave," what pro-slavery arguments does Douglass refer to or hint at in his narrative? How does he counter the various pro-slavery arguments? Provide quotes and ci..
Policy of internal innovation : Research and report on two companies. Pick one which has always adhered to a policy of internal innovation and a second which has acquired technology several times through external means as detailed in our prior units. Compare and contrast the two..
What are the three major groups into which mammals are : What are the typical features of mammals. What are the three major groups into which mammals are divided. Do all mammals have a placenta. What are the major orders of placental mammals? What are a few representative species and distinguishing feature..
What is the difference between common and preferred stock : What is the difference between Common and Preferred Stock? Explain the concept and process (recording) of Distributions - Dividends and Redemptions (Treasury Stock)
Why required rate of return on project may have increased : the firm decided to retract its offer because of an increase in its required rate of return on the project, which caused the NPV to be negative. -  Explain why the required rate of return on its project may have increased.
Strategic direction of the organization : We talk a great deal about getting buy-in with the strategic direction of the organization after an acquisition. How should managers develop buy-in from the acquired company personnel? How would getting the support of those individuals aid the me..
Repricing trigger that maximizes the initial value of option : A company compensates executives with 10-year Euaropean call options which is granted at the money. If there is a significant drop in the share price, the company's board will reset the strike price of the options to equal the new share price. Calcul..

Reviews

Write a Review

Biology Questions & Answers

  Design a divide-and-conquer algorithm for the motif finding

Design a divide-and-conquer algorithm for the Motif Finding problem and estimate its  running time. Have you improved the running time of the exhaustive search algo- rithm?

  Why do carotenoids appear yellow and orange

You obtain the pigments called carotenoids in your diet when you eat carrots. Why do carotenoids appear yellow and orange?

  1 write down the risk factors for developing the diabetes 2

1 what are the risk factors for developing diabetes?2 what other systems of the body are involved if applicable?3 what

  How many rna polymerases are present in all eukaryotes

How many RNA polymerases are present in ALL eukaryotes?

  Dna complementary sequences and size

DNA is isolated from two different species. Both DNA samples are found to be exactly the same size. One of the DNA samples has a G+C/A+T ratio of 4.8 and the other 3.2.

  How the unique ohysical and chemical properties contribute

How the unique ohysical and chemical properties of water contribute to the importance of water for life on earth to survive. How the methods of experimtation and observation have changed throughout the history of science

  Various stages of meiosis and cell cycle

The value of DNA per cell of particular species is measured in cells found at various stages of meiosis and the cell cycle, and the amounts are obtained.

  Which supports the idea that a membrane is asymmetric

Which supports the idea that a membrane is asymmetric?

  Define the amoeba and paramecium

What structures in Amoeba and Paramecium also occur in plantcells, Which do not occur in plant cells, How does shape and body consistency differ between amoeba and paramecium

  The sex of the offspring is determined by

The sex of the offspring is determined by and What is the genotype of the unshaded individuals in the pedigree below

  Mary consists of type a blood and her husband has type b

mary has type a blood and her husband has type b blood. her husbands parents both had type ab. they have three children

  Principle of positive feedback

The breakdown of complex glycogen molecules into simple glucose molecules is most accurately described as a anabolic reaction.

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd