Orangutans and Gorillas: A Comparative Study of Two Great Apes

The video discusses the characteristics, behavior, and habitats of orangutans and gorillas. Orangutans, found in Borneo and Sumatra, are solitary, intelligent apes known for tool use. They have a long reproductive cycle and live up to 30 years. Gorillas, the largest apes, are found in central Africa and are divided into western and eastern species. They live in social groups led by a silverback male and have a varied diet. Gorillas are intelligent, capable of using tools, and have rich emotional lives.

Which of the following is a unique feature of orangutans compared to other great apes?

• Using vocal calls to communicate

• Walking on their fists

• Living in large social groups

• Walking on their knuckles

What is the primary diet of orangutans in the morning?

• Insects

• Ficus fruits

• Leaves and stems

• Honey

How long do orangutan pregnancies typically last?

• Six to seven months

• Twelve to thirteen months

• Ten to eleven months

• Eight to nine months

From which common ancestor did gorillas evolve?

• Chimpanzees

• Orangutans

• A common ancestor with humans

• A common ancestor with orangutans

What distinguishes eastern gorillas from western gorillas?

• Western gorillas are larger

• Eastern gorillas have a longer face

• Western gorillas have a broader chest

• Eastern gorillas are lighter in color

What is the role of the silverback in a gorilla troop?

• Leading the group and making decisions

• Caring for the young

• Building nests

• Foraging for food

What is a notable emotional capability of gorillas?

• Ability to laugh and grieve

• Ability to mimic human speech

• Ability to use sign language

• Ability to solve complex puzzles