« previous next »

Author Question: According to the concept of punctuated equilibrium, the "sudden" appearance of a (Read 490 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?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.

Did you know?

Illicit drug use costs the United States approximately $181 billion every year.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

concept map : atoms and molecules concept map : atoms and molecules
Hannah Höch, Study for "Cut with the Kitchen Knife Dada through the Last Weimar Beer Belly ... Hannah Höch, Study for "Cut with the Kitchen Knife Dada through the Last Weimar Beer Belly ...
Survivorship curves "منحنيات البقاء على قيد الحياة" Survivorship curves "منحنيات البقاء على قيد الحياة"
Soil texture "تركيبة التربة" Soil texture "تركيبة التربة"
IQ scores form what mathematicians call a normal distribution "bell curve" IQ scores form what mathematicians call a normal distribution "bell curve"
Write equilibrium constant expressions for the following reactions in terms of concentration: Write equilibrium constant expressions for the following reactions in terms of concentration:
Video: A Human Karyotype Preparation Animation

For a complete list of videos, visit our video library