« previous next »

Author Question: Three living species X, Y, and Z share a common ancestor T, as do extinct specie (Read 1719 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?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Eating food that has been cooked with poppy seeds may cause you to fail a drug screening test, because the seeds contain enough opiate alkaloids to register as a positive.

Did you know?

The FDA recognizes 118 routes of administration.

Did you know?

Approximately 70% of expectant mothers report experiencing some symptoms of morning sickness during the first trimester of pregnancy.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Species of the algal genus Dinobryon not only photosynthesize, but are also efficient predators of b Species of the algal genus Dinobryon not only photosynthesize, but are also efficient predators of b
The Indian palm squirrel is the most common type of squirrel found in India. The Indian palm squirrel is the most common type of squirrel found in India.
Common skin signs are often evidence of an illness or disorder. An erosion or ulcer is an eating or ... Common skin signs are often evidence of an illness or disorder. An erosion or ulcer is an eating or ...
Common skin signs are often evidence of an illness or disorder. A nodule is a larger papule; acne ... Common skin signs are often evidence of an illness or disorder. A nodule is a larger papule; acne ...
Stress and the Common Cold Stress and the Common Cold
Common Nonsilicate Mineral Groups Common Nonsilicate Mineral Groups
Video: Monohybrid crosses

For a complete list of videos, visit our video library