AP BIOLOGY

EVOLUTION

EVIDENCE FOR EVOLUTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which of these best represents a time period in which an organism could evolve?
A
5 days
B
100 years
C
10, 000 years
D
2 decades
Explanation: 

Detailed explanation-1: -Depiction of one of Earth’s ocean communities, including the top predator Anomalocaris, during the Cambrian Period 510 million years ago. By the end of the Cambrian, nearly all the major groups of animals we know today (the phyla) had evolved.

Detailed explanation-2: -These are the Hadean (4.6 billion to 4 billion years ago), the Archean (4 billion to 2.5 billion years ago), the Proterozoic (2.5 billion to 541 million years ago), and the Phanerozoic (541 million years ago to the present).

Detailed explanation-3: -Contrary to popular belief, not only are humans still evolving, their evolution since the dawn of agriculture is faster than ever before. It has been proposed that human culture acts as a selective force in human evolution and has accelerated it; however, this is disputed.

There is 1 question to complete.