# data[].attributes.body
Whales used to be land animals, but slowly over time their species started migrating to water, and over time, their limbs, nostrills, flippers, and things like that all changed according to their habitat, and now today they are now known as whales.

# data[].attributes.headline
One of the physical features of a whale that has changed over time is  its limbs 

# data[].attributes.subject
One of the physical features of a whale that has changed over time is  its limbs 

# data[].attributes.body
As they swam more their limbs got smaller

# data[].attributes.headline
Their blowhole got moved to the top of their head

# data[].attributes.subject
Their blowhole got moved to the top of their head

# data[].attributes.body
it did this so that they can breathe easier underwater and survive

# data[].attributes.headline
Another physical feature that changed is their body's used to be very elongated and now they're all crumpled up

# data[].attributes.subject
Another physical feature that changed is their body's used to be very elongated and now they're all crumpled up

# data[].attributes.body
Their bodies got thicker and bigger after they swam more and stuff like that

# data[].attributes.body
Due to swimming more, their flippers got longer so that they are able to swim faster and more efficiently.