How smart are dolphins? - Lori Marino

Important Vocabulary Words From The Video


Porpoises are a type of whale that lives in the ocean. They are sometimes called sea cows because they are very good at eating fish.

  • The porpoises were playing near the shoreline.
  • The porpoises were swimming in the opposite direction.

Cetaceans are a group of aquatic mammals that include whales, dolphins, and porpoises. They are the descendants of the sea lions and seals that lived on Earth millions of years ago.

  • Cetaceans are mammals, just like us, and they have a lot of the same rights as humans.
  • It's illegal to hunt cetaceans, because they are a protected species.

When something has hooves, it is equipped with feet that look like those of a horse. This means that the thing can walk on both ground and grass.

  • The animals are hoofed, which is why they are able to walk on both ground and grass.
  • The animals are not hoofed, which is why they can only walk on ground.

Ungulates are animals that have hooves on their feet. This includes cows, horses, and zebras.

  • The ungulates are the largest group of animals on Earth.
  • Ungulates are the only group of animals that can jump high enough to jump over the fence.

Echolocation is the ability of some animals to use sound to find food. Some animals, like whales, use echolocation to find food in the water.

  • Echolocation is a very important tool for hunting.
  • Echolocation is used to determine the size and shape of objects.

A bottlenose is a type of fish that has a long, curved nose. They are usually found in warm waters, and they feed on fish and squid.

  • The bottlenose was swimming near the shoreline, looking for food.

Metacognition is the process of thinking about your own thoughts and feelings. It's important for people to be able to think about their own mental processes, because this allows them to learn and grow.

  • The student struggled with metacognition because she couldn't understand why she was struggling.
  • The teacher encouraged the student to think about her own thoughts and feelings, because this would help her learn and grow.

To imprison someone is to put them in a prison cell. If you imprison someone, you're preventing them from leaving.

  • The prisoner was imprisoned for trying to escape.
  • The prisoner was imprisoned for protesting against the government.

To empathize is to feel the same emotions as someone else. When you empathize with someone, you feel the same emotions that they are feeling.

  • She empathizes with the victim, because she's been in that same situation before.
  • I empathize with the victim, because I understand how they feel.