What are two examples of starchy root/tuber crops?

This flower has both male and female flower parts, which makes it a _____________ flower.

Farming in the 1900s to 2000s changed from past forms of farming by increasing __________ and becoming more __________. (Select the correct two)

The process of ___________, is the adapting of plants or animals for human use. i.e. the breeding/cultivation of wild grasses to form modern wheat.

Which scientific discovery provided the strongest evidence for seafloor spreading?

This is a female papaya flower, what is the large part of the middle of the flower, that will eventually form the actual papaya fruit?

Match each type of seismic wave with its correct description:

A plot of land devoted to agriculture and raising of crops and/or livestock is known as a _________.

The main tool used by Native Hawaiians to farm was the ___________.

About how much of the population today is actively in agriculture?