Wikimedia
Wikipedia: Adaptive Radiation
This encyclopedia article from Wikipedia on adaptive radiation discusses what it is, lists some examples, and distinguishes between the three different types of adaptive radiation.
CK-12 Foundation
Ck 12: Episd: Biogeography
[Free Registration/Login may be required to access all resource tools.] Why connect biology and geography? This module will provide resources for students to understand continental drift theory, human population and its distribution, and...
CK-12 Foundation
Ck 12: Earth Science: Extinction and Radiation of Life
[Free Registration/Login may be required to access all resource tools.] Describes how species die out and how new ones evolve to fill the vacant niches.
CK-12 Foundation
Ck 12: Earth Science: Extinction and Radiation of Life
[Free Registration/Login may be required to access all resource tools.] Describes how species die out, and how new ones evolve to fill the vacant niches.
BBC
Bbc: Earth: Tardigrades Return From the Dead
Tardigrades are ancient, fascinating creatures that can survive conditions that would kill most life forms, including extreme heat and absolute zero, extreme pressure and a vacuum, and deadly radiation. They can even survive being...
BioMan Biology
Bio Man Biology: Evolution and Classification Quizzes
A multiple-choice quiz on the mechanisms of evolution.
PBS
Pbs Learning Media: Evidence for the Big Bang Theory
This video segment adapted from NOVA tells the story of two scientists who inadvertently discovered microwave radiation, now believed to be heat left over from the Big Bang. [4:58]