« previous next »

Author Question: According to the concept of punctuated equilibrium, the "sudden" appearance of a (Read 453 times)

j_sun

  • Sr. Member
  • ****
  • Posts: 384
on: Jul 11, 2013
According to the concept of punctuated equilibrium, the "sudden" appearance of a new species in the fossil record means that
A) the species is now extinct.
B) speciation occurred instantaneously.
C) speciation occurred in one generation.
D) speciation occurred rapidly in geologic time.
E) the species will consequently have a relatively short existence, compared with other species.


coco

  • Hero Member
  • *****
  • Posts: 739
Reply #1 on: Jul 12, 2013
Hey again :D

I'm guessing it's D. It makes sense.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

j_sun

  • Sr. Member
  • ****
  • Posts: 384
Reply #2 on: Aug 31, 2013
You're the best, thank you


« previous next »
 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Never take aspirin without food because it is likely to irritate your stomach. Never give aspirin to children under age 12. Overdoses of aspirin have the potential to cause deafness.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

"a) To begin push-hands exercise, touch hands. b) Then lean into each other with your full ... "a) To begin push-hands exercise, touch hands. b) Then lean into each other with your full ...
David Vetter, the "bubble boy." David Vetter, the "bubble boy."
David Vetter, the "bubble boy." David Vetter, the "bubble boy."
مراحل الولاده "Stages of birth" مراحل الولاده "Stages of birth"
Marine Life Zones "الحياة في أعماق البحار" Marine Life Zones "الحياة في أعماق البحار"
Development of the Digestive System "تطوير الجهاز الهضمي" Development of the Digestive System "تطوير الجهاز الهضمي"
Video: Exercise and cardiac output

For a complete list of videos, visit our video library