Answer:
A newly hatched animal which has not developed all its body parts is a Nymph.
A nymph is the immature form of some invertebrates, particularly insects, which undergoes gradual metamorphosis before reaching its adult stage. A group of mammals that lay eggs and their young are hatchlings as well known as monotremes. Fish, amphibian, reptile, or bird are hatched in oviparous biology.
Charles Darwin used domesticated animals to provide evidence for evolution by natural selection by showing "<span>Differences between breeds show that selection can cause species to change."</span>
Feeling pain, hunger, thirst, sleepiness, and being aware of our thoughts and emotions are all examples of Internal stimuli.
Short answer:
It has a "birth" (in the nebula) just like humans are born inside their mothers.
It gets older and changes(in color which is due to its Temperature and in Size) just like humans as they go from babies to adults to elders. They also both die (Stars exploded or become black holes) stars "die out" and humans literally die. Both can die(not literally for stars) from old age.
This means the weather would probably be kinda humid or dry out.