Answer:
6-D) The porcupine is showing a physical characteristic adaptation and the opossum is showing a behavioral adaptation.
7-C) Both producers and consumers use energy that started from the sun.
8-C) Part 1 are producers, Part 2 is the sun
9-C) Salmon #2, life cycle adaptation
10-A) A change in its skin color
Explanation:
The main way in which the receding ice age helped with the development of agrarian societies is that it allowed for more water to form (from the melting ice) which was used to irrigate and thus grow crops.
The punic war resulted to an entrenched understanding that the powers ought to rest with the senate and not the military leaders. this in turn redistibuted wealth to the senatorial class, the peasants, the and craftments from the wealthy patricians who had dominated it before. The plebecians had a say in wealth after the war.