Marine Vertebrate Flashcard Review

Front

What type of fish makes up the majority of the ocean's fish population?

Back

Bony fish (Osteichthyes) make up the majority of the ocean's fish population.

Front

Which class do sharks, rays, and skates belong to?

Back

Chondrichthyes.

Front

How does climate affect the sex of sea turtles?

Back

Warmer temperatures lead to more female sea turtles.

Front

What is the type of reproduction where eggs hatch internally and pups develop inside the mother?

Back

Ovoviviparous reproduction.

Front

What are the skeletons of chondrichthyes composed of?

Back

Cartilage.

Front

What is the primary difference between bony fish and cartilaginous fish?

Back

Bony fish have skeletons made of bone, while cartilaginous fish have skeletons made of cartilage.

Front

What is the term for animals that lay eggs?

Back

Oviparous.

Front

What is the term for animals that give live birth?

Back

Viviparous.

Front

What is sibling cannibalism, and in which type of reproduction is it common?

Back

Sibling cannibalism is when siblings consume each other, and it is common in ovoviviparous reproduction.

Front

What is the role of temperature in determining the sex of sea turtles?

Back

Temperature during incubation affects the sex ratio, with warmer temperatures producing more females.