« previous next »

Author Question: Unlike eutherians, both monotremes and marsupials A) lack nipples. B) have some (Read 693 times)

federox

  • Sr. Member
  • ****
  • Posts: 308
on: Aug 8, 2013
Unlike eutherians, both monotremes and marsupials
A) lack nipples.
B) have some embryonic development outside the uterus.
C) lay eggs.
D) are found in Australia and Africa.
E) include only insectivores and herbivores.


theo

  • Hero Member
  • *****
  • Posts: 698
Reply #1 on: Aug 10, 2013
Answer has to be B, 100% :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

To combat osteoporosis, changes in lifestyle and diet are recommended. At-risk patients should include 1,200 to 1,500 mg of calcium daily either via dietary means or with supplements.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Child with cerebral palsy has abnormal muscle tone and lack of physical coordination. Child with cerebral palsy has abnormal muscle tone and lack of physical coordination.
Pulmonary embolism. The purple shaded section shows the area of the lung that is dying from lack of ... Pulmonary embolism. The purple shaded section shows the area of the lung that is dying from lack of ...
For Gulf War veterans, lack of social support in the field is related to postwar depression. The ... For Gulf War veterans, lack of social support in the field is related to postwar depression. The ...
All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ... All fuel injectors should make the same sound with the engine running at idle speed. A lack of sound ...
Australia's spiny anteater, one of only three modern species of monotremes Australia's spiny anteater, one of only three modern species of monotremes
Video: Gas exchange - partial pressure, locations, external and internal respiration

For a complete list of videos, visit our video library