« previous next »

Author Question: Three living species X, Y, and Z share a common ancestor T, as do extinct specie (Read 1726 times)

geoffrey

  • Hero Member
  • *****
  • Posts: 880
on: Jul 14, 2013
Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up
A) a valid taxon.
B) a monophyletic clade.
C) an ingroup, with species U as the outgroup.
D) a paraphyletic group.
E) a polyphyletic group.


penguins

  • Hero Member
  • *****
  • Posts: 903
Reply #1 on: Jul 15, 2013
Easy! It's D. Bye for now :D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

geoffrey

  • Hero Member
  • *****
  • Posts: 880
Reply #2 on: Aug 1, 2013
Thank you!


« previous next »
 

Did you know?

Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

The wolf spider, Lycosa godeffroyi, is common in many areas of Australia. In this family of spiders, The wolf spider, Lycosa godeffroyi, is common in many areas of Australia. In this family of spiders,
Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th Common sites of amputation. (A) Upper extremities. (B) Lower extremities. The surgeon determines th
Common skin signs. Each of the illustrations depicts a section through skin Common skin signs. Each of the illustrations depicts a section through skin
Ancestor Fish Ancestor Fish
Hysterectomies have become so common that by age 60, one of three U.S. women has had her uterus ... Hysterectomies have become so common that by age 60, one of three U.S. women has had her uterus ...
Comparison of Portion Sizes of Common Foods Comparison of Portion Sizes of Common Foods
Video: How antibiotics works? 💊

For a complete list of videos, visit our video library