Marine Animal Review

Front

What is the main difference between sea lions and seals?

Back

Sea lions have external ear flaps, while seals do not. Sea lions also have larger front flippers for swimming and can walk on land using their flippers, unlike seals.

Front

What type of fin is used primarily for propulsion in fish?

Back

Caudal fin.

Front

What is the function of the pectoral fin in marine animals?

Back

Pectoral fins are used for steering and balance in swimming.

Front

What type of fin is located on the back of a fish?

Back

Dorsal fin.

Front

What is 'broadcast spawning'?

Back

Broadcast spawning is a reproductive strategy where organisms release eggs and sperm into the water simultaneously, allowing fertilization to occur externally.

Front

What is ovuliparity?

Back

Ovuliparity is a reproductive strategy where eggs are released into the water and fertilized externally.

Front

What is ovoviviparity?

Back

Ovoviviparity is a reproductive strategy where eggs develop inside the female's body and hatch internally, with live young being born.

Front

What is viviparity?

Back

Viviparity is a reproductive strategy where the young develop inside the female and are born live, with a direct nutrient supply from the mother.

Front

What is the role of the anal fin in fish?

Back

The anal fin helps stabilize the fish while swimming.

Front

What is the difference between dorsal and anal fins?

Back

Dorsal fins are located on the back of the fish, while anal fins are located on the underside, near the tail.