In Charles Darwin's day, the fossil record began abruptly with the appearance of shelled organisms. Today, we consider the same period-the Cambrian-as an "explosion" of life forms. Why has this perspective changed?
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q56: The mass extinction in the geologic record,
Q57: Bacteria break down dead organisms into organic
Q58: Jellyfish are _.
A) pelagic plankton
B) benthic plankton
C)
Q59: Animals that ingest sediment and extract the
Q60: The Permian extinction killed approximately _ of
Q62: Describe the Burgess Shale environment and biota.
Q63: Why are the Burgess Shale organisms considered
Q64: Scientists have several hypotheses for why the
Q65: Discuss how Silurian and Devonian reefs differed
Q66: Describe four ways shells can benefit animals.
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents