Darwin assumed that evolutionary change was always slow and gradual. What was the first evidence that suggested evolutionary change might happen fast sometimes?
a. homologous structures
c. reproduction rates
d. DNA sequences
Which of the following provides evidence for the hypothesis of punctuated equilibrium?
a. the discovery of many fossils of different forms corresponding to a line of ancestors for a species.
b. the discovery of a common sequence in DNA in several different species.
c. the discovery of a vestigial structure in an organism.
d. the discovery of an abrupt change in DNA in a species after many generations of no change.
My answers: C, D
Science - Nonny, Thursday, February 13, 2014 at 1:27pm
You were close.
Correct answers: B, D
Science - Sparkle, Thursday, October 9, 2014 at 12:37am
I need help on the last two 3 and 4 is it a and c
Science - wiggy, Monday, February 22, 2016 at 5:22pm
the correct answers are
Science - Idek, Thursday, March 17, 2016 at 3:59pm
Wiggy is correct!!!
Science - dude, Thursday, December 1, 2016 at 6:52am
yes he is these are for connections academy
Science - yes, Friday, January 27, 2017 at 4:35pm
yess wiggy is corect.