« previous next »

Author Question: Unlike eutherians, both monotremes and marsupials A) lack nipples. B) have some (Read 702 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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.

Did you know?

Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

Did you know?

Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

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 ...
Wives and husbands are equally as likely to initiate violence, but unlike this photo, wives are more ... Wives and husbands are equally as likely to initiate violence, but unlike this photo, wives are more ...
Typical secondary ignition pattern. Note the lack of firing lines on superimposed pattern. Typical secondary ignition pattern. Note the lack of firing lines on superimposed pattern.
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 ...
Marsupials: Kangaroo Marsupials: Kangaroo
Video: Corpus Callosum Animation

For a complete list of videos, visit our video library