fossil succession is showing how a fossil has changed over time. geologists use it to understand the dating because they can track the evolution of the organism and see what it looked like to help them understand where in the world it once was, to they can come up with a fixed location and time period.
Imagine that the arable land is scarce then people will compete for land in competition will be big this means that it is more likely to be able to find smaller pieces of land for it is likely that the size of the House and farms will be small
