the tortoise did
Sharks may have over 20000 teeth in a lifetime.
A camel.
Many, including crocodiles and snakes.
The anti rabies vaccines for humans is long lasting. It appears as if it will last for a lifetime. As a precaution, if bit by a suspect rabid animal, a course of treatment should still be followed.
a dog would i think
From Birth till death
A lifetime.
lifetime
One lifetime
He was the first to see and animal cell
The average lifetime of a human being is around 72 years.
No. Lifetime is a noun (entire life, or hyperbolically "a long time"). It is also used as an adjective (lifetime guarantee, lfetime membership). There is no adverb form.