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Unlike most mammals , birds have: 1) No diaphragm, so the abdomen...soft spot in the trachea, called the tracheal ligament in mammals , that can collapse) however; 6) Respiration ...
13 Answers · Science & Mathematics · 29/05/2007
To become a Marine Mammal Veterinarian, you need as much experience ....htm#para16 How to become a marine mammal veterinarian: To become a marine mammal veterinarian, follow...
4 Answers · Science & Mathematics · 09/03/2009
A marine mammal is a mammal that is primarily ocean-dwelling or depends...to live back in the ocean. There are five groups of marine mammals : Order Sirenia: the manatee, dugong, and sea cow Order...
8 Answers · Science & Mathematics · 12/10/2006
Mammals (formally Mammalia ) are a class of vertebrate animals whose...the five species of monotremes (which lay eggs), all mammals give birth to live young. Most mammals also possess specialized...
5 Answers · Science & Mathematics · 09/08/2010
mammals have hair they don't lay eggs (other than platypuses) they...and a neocortex region in the brain. Unique characteristics of the mammal include a modified sweat gland that is used for milk production...
7 Answers · Education & Reference · 25/10/2009
Placental mammals are a rather diverse group, with nearly 4000 ... humans, of course, are also placental mammals . Placental mammals all bear live young...
2 Answers · Science & Mathematics · 24/03/2009
Mammals are warm-blooded and, most importantly, have mammary glands to produce milk for their offspring...the water. Body shape isn't particularly important from a classification standpoint. There are mammals who are adapted similarly to birds, for example (bats). Other than being...
19 Answers · Science & Mathematics · 20/09/2010
Sea mammals have a lot of interesting adaptations...not from side to side as in fishes. Many sea mammals are capable of diving very deep and for long...
5 Answers · Science & Mathematics · 24/11/2010
Male mammals would have to have an orgasm of some sort to transfer the sperm to the female. If... that the male diverged from the female. An orgasm in the female mammals generally serves no impregnation advantage for her except stimulation.. ...
5 Answers · Science & Mathematics · 18/07/2010
The oldest known mammal is Morganuccodon, and it lived 205 million years ago..., since Morganuccodon also possesses the simpler mammalian jaw joint, it was on its way to freeing the articular and quadrate...
3 Answers · Science & Mathematics · 06/02/2012