« previous next »

Author Question: According to the concept of punctuated equilibrium, the "sudden" appearance of a (Read 481 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?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Medication errors are more common among seriously ill patients than with those with minor conditions.

Did you know?

The term bacteria was devised in the 19th century by German biologist Ferdinand Cohn. He based it on the Greek word "bakterion" meaning a small rod or staff. Cohn is considered to be the father of modern bacteriology.

Diverticulosis. Figure illustrates external and internal appearance of diverticula. Diverticulosis. Figure illustrates external and internal appearance of diverticula.
Chemical equilibrium and the law of mass action. Chemical equilibrium and the law of mass action.
Johari window showing differences in quadrants between "new job" and "intimate ... Johari window showing differences in quadrants between "new job" and "intimate ...
Exercising in the "fat-burning" zone or the "cardio" Exercising in the "fat-burning" zone or the "cardio"
Female Reproductive System - Fallopian tubes "قناة فالوب الجهاز ... Female Reproductive System - Fallopian tubes "قناة فالوب الجهاز ...
Write the acidic equilibrium equation for HC₆H₅O. Write the acidic equilibrium equation for HC₆H₅O.
Video: Glucose Evaluation Procedure

For a complete list of videos, visit our video library