# data[].attributes.body
Portulaca seeds are soft and easy to get to, while Tribulus seeds have stronger shells and are harder to get into. birds with small beaks couldn't get into the Tribulus seeds, so they needed larger beaks to eat.

# data[].attributes.body
If there was such little water, lots of the Finches would've died because they have small beaks and can't get into the Tribulus seeds for food and water.

# data[].attributes.body
The data sheet had 658 Finches missing, therefore 658 Finches died because they had small beaks and can't get into the Tribulus seeds.

# data[].attributes.body
In 1977 there was a low of 0 Portulaca seeds and 5 Tribulus seeds per square meter.

# data[].attributes.body
Between 1976 and 1978 there was a low of 20 mm of yearly rainfall.

# data[].attributes.body
658 Medium Ground Finch died between 1976 and 1978.

# data[].attributes.body
Natural selection caused the Medium Ground Finch to increase in beak size.