Marine Reptiles and Birds

Science

A membrane that closely covers the embryo when first formed

Amnion

A membrane that closely covers the embryo when first formed. amnion. The amnion is a protective sac that surrounds and cushions the developing embryo.

An egg with a shell and membrane to protect the embryo, an egg laid by birds, reptiles, and mammals

Amniotic egg

An egg with a shell and membrane to protect the embryo, an egg laid by birds, reptiles, and mammals. An amniotic egg is a type of egg that has a protective shell and membranes, allowing it to be laid on land.

The shell of a turtle or tortoise, or the plate that covers the head of a crustacean

Carapace

The shell of a turtle or tortoise, or the plate that covers the head of a crustacean. carapace. A carapace is a protective, hard shell covering the back of some animals like turtles and crustaceans.

A flying technique used to gain energy by crossing the boundary between air masses of different velocity

Dynamic soaring

A flying technique used to gain energy by crossing the boundary between air masses of different velocity. Dynamic soaring. Dynamic soaring is a method birds and aircraft use to increase speed and distance by repeatedly crossing between slow and fast-moving air.

An animal whose body temperature depends on its environment

Ectotherm

An animal whose body temperature depends on its environment. Ectotherm. Ectotherms are animals like reptiles and amphibians that rely on external sources to regulate their body heat.

The grooming and maintenance of their feathers by birds

Preening

The grooming and maintenance of their feathers by birds. Preening. Preening is when birds clean and arrange their feathers to keep them in good condition.

An organ for excreting excess salts

Salt gland

An organ for excreting excess salts. Salt gland. A salt gland is a specialized organ in some animals that helps remove extra salt from their bodies.

Birds that are adapted to life within the marine environment

Seabirds

Birds that are adapted to life within the marine environment. Seabirds. Seabirds are birds that have evolved to live and thrive in and around ocean habitats.