Worms:a long, thin animal that has a soft body with no legs or bones and that often lives in the ground.

Granite:a very hard, granular, crystalline, igneous rock consisting mainly of quartz, mica, and feldspar and often used as a building stone.

Ocean:a very large expanse of sea, in particular each of the main areas into which the sea is divided geographically.

Skunks:Mammal of the order Carnivores, about 45 cm long short legs, small head, sharp snout, long tail, and soft, thick black hair with white dorsal bands; lives in America, and defends itself by emitting a bad smell

Rabbits:a burrowing, gregarious, plant-eating mammal with long ears, long hind legs, and a short tail

Marble: hard crystalline metamorphic form of limestone, typically white with mottlings or streaks of color,

Earth:the planet on which we live; the world.

Amphibian:a cold-blooded vertebrate animal of a class that comprises the frogs, toads, newts, and salamanders. They are distinguished by having an aquatic gill-breathing

Limestone:Limestone is a sedimentary rock made of calcium carbonate

Prehistoric times:History of humankind in the period before recorded history.

Chemical:relating to chemistry, or the interactions of substances as studied in chemistry.

Mammal:a warm-blooded vertebrate animal of a class that is distinguished by the possession of hair or fur, the secretion of milk by females for the nourishment of the young, and (typically) the birth of live young

Reptile:a vertebrate animal of a class that includes snakes, lizards, crocodiles, turtles, and tortoises. They are distinguished by having a dry scaly skin and typically laying soft-shelled eggs on land.