Yes, the word snake's is the singular possessive form for the noun snake.
The possessive form of the plural noun snakes is snakes'.Example: The snakes' role on a farm is to reduce the number of rodents.
The possessive singular noun for snake is snake's, e.g. "The snake's fangs are very sharp."The possessive plural noun for snake is snakes', e.g. "There's a pile of old snakes' skins over there."
The singular form for the plural noun snakes is snake; the singular possessive form is snake's.
The possessive form for "the rattle of the snake" is the snake's rattle.
Rattlesnakes is already plural. The plural of rattlesnake is rattlesnakes.
The possessive singular noun is explorer's. The possessive plural noun is explorers'.
The possessive form for the noun coyote is coyote's.
The possessive noun of "preacher" is "preacher's."
"He" can function as a possessive pronoun (e.g., "This is his book"), but it is not a possessive noun on its own.
The possessive form for the noun coyote is coyote's.
The possessive form is grandson's.
The possessive form is island's.