Part 4 · Dolphin Intelligence
Questions 31-40
Complete the notes below.
Write ONE WORD ONLY for each answer.
Dolphin Intelligence
Point 1: Not highly intelligent
Research on the size of dolphin brains
Dolphins cannot find a way of escaping barriers such as fishing 31 for catching tuna.
People wrongly thought dolphins to be smart and happy as they often have a 32 .
Small-brained animals such as pigeons and 33 can perform various complex tasks.
- Pigeons are 34 of themselves.
- Pigeons are trained to conditional responses and 35 reactions.
Counter argument
Fatty cells in dolphin brains are linked to protective function and problem-solving skills.
Point 2: highly intelligent
Research on dolphin behaviour
Billy can imitate the keepers' 36 through other dolphins.
Karen hides a 37 for more food.
For the past century, dolphins have been seen as 38 animals.
Each dolphin produces a unique sound, like the 39 .
They touch each other to make up after a 40 .