« previous next »

Author Question: Mammals in the __________ group reproduce without a placenta. a. prototheria b. eutheria c. ... (Read 21 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Jul 10, 2018
Mammals in the __________ group reproduce without a placenta.
 
  a. prototheria
  b. eutheria
  c. metatheria
  d. all of these

Question 2

About __________ mammal species exist today.
 
  a. 400
  b. 2,000
  c. 4,000
  d. 200


bigcheese9

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Jul 10, 2018
Answer to Question 1

Answer c

Answer to Question 2

Answer c


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Though newer “smart” infusion pumps are increasingly becoming more sophisticated, they cannot prevent all programming and administration errors. Health care professionals that use smart infusion pumps must still practice the rights of medication administration and have other professionals double-check all high-risk infusions.

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Distribution of bonding and outer nonbonding electrons in the peptide group Distribution of bonding and outer nonbonding electrons in the peptide group
Group Size Group Size
Monophyletic vs. paraphyletic group Monophyletic vs. paraphyletic group
A group of children were asked how many hours a day they spend watching television. A group of children were asked how many hours a day they spend watching television.
Self-splicing of group I introns Self-splicing of group I introns
Random X inactivation in female placental mammals Random X inactivation in female placental mammals
Video: Action potentials - electrical characteristics and generation

For a complete list of videos, visit our video library