can hold water or sand
facing danger
to make it full
inquisitive [ɪnˈkwɪzɪtɪv]
device with blades which enables a boat or ship to move
type of reptile that live in the sea, has a large shell on its back
paper or plastic that cover something
a large mammal that eats fish and lives partly in the sea and partly on land or ice
type of marine creature which have no bones
a large seal (= sea animal), found mainly in the Pacific, that has large ears and can move on land
types of creatures which are in danger of becoming extinct
hole down which waste water goes
type of damage to the body