It could be metamorphosis in the caterpillar to butterfly transform.
It could be called natural selection, or evolutionwhen the organism changes to meet a new challenge. Such as herbicide resistance in weeds, or drug resistance in bacteria.
I would call it "no change".
stimulus
A change in the hereditary instructions of an organism is called a mutation. Mutations can occur randomly or be induced by factors such as UV radiation or chemicals, leading to variations in the organism's traits.
Amendments change a constitution.
That process is called metamorphosis. It involves a series of developmental stages that may include distinct physical changes in the organism's appearance.
We call such past organism "extinct".
The change from a liquid to a gas is evaporation.
carnivor
No, you can call them an organism.
You can change your test date or location. You will need to call an SAT representative. There is a charge for these changes however.
You would call such an organism a carrier.
When a substance is liquid and it changes to gas, we call that boiling.