The video explores the relationship between humans and great apes, highlighting our similarities and differences. It discusses how apes have superior memory, understand language, and use complex tools. The concept of self-recognition is examined, showing that apes can recognize themselves in mirrors, similar to humans. The Mark test is used to demonstrate self-recognition in apes, revealing that all great apes can pass this test by a certain age.

What is the main focus of the experiments mentioned in the introduction?

• To demonstrate apes' inability to use tools

• To show apes are closer to humans than previously thought

• To highlight the differences between apes and humans

• To prove apes are less intelligent than humans

Why is self-recognition considered important in human society?

• It is essential for survival in large groups

• It allows humans to recognize themselves in photos

• It helps humans to live in isolation

• It enables humans to communicate with animals

What is a common reaction of monkeys when shown a mirror?

• They use the mirror as a tool

• They recognize themselves

• They ignore the mirror

• They think it's another monkey

How do chimpanzees initially react when they see themselves in a mirror?

• They immediately recognize themselves

• They assume it's another chimpanzee

• They attack the mirror

• They ignore the mirror

What does erect fur in chimpanzees usually indicate?

• Excitement

• Happiness

• Fear or anger

• Confusion

What is the purpose of the Mark test?

• To test memory skills

• To assess language abilities

• To determine self-recognition

• To evaluate tool usage

At what age do most children recognize themselves in a mirror according to the Mark test?

• By the age of one

• By the age of four

• By the age of three

• By the age of two

Which of the following apes can pass the Mark test?

• Only chimpanzees

• Only orangutans

• All great apes

• Only gorillas

What does the ability to pass the Mark test suggest about apes?

• They are not intelligent

• They can recognize themselves

• They cannot use tools

• They have no concept of self

What is the significance of the Mark test results for great apes?

• It proves they have no memory

• It demonstrates they cannot use tools

• It indicates they have a concept of self

• It shows they cannot recognize themselves