Question

The graph shows a change in population of cacti.

Number of Spines on Cacti in
a Population

Number of Cacti,.
Number of Spines.,Key,.
Original population,.
New population,.

Which claim is supported by the graph?
A
Having more spines in an adaptation, and it increases reproductive fitness.
B
Having more spines is an adaptation, and it decreases reproductive fitness.
C
Having more spines is not an adaptation, and it increases reproductive fitness.
D
Having more spines is not an adaptation, and it decreases reproductive fitness.

Answer 1

A.

The new population has more cacti with a higher number of spines than the original population, so having more spines increased in frequency — indicating it is an adaptation that increases reproductive fitness.