When Giant Lemurs Ruled Madagascar

The video explores the history and evolution of giant lemurs in Madagascar, their ecological roles, and the factors leading to their extinction. It discusses how lemurs arrived on the island, their adaptive radiation, and their interactions with the environment. The extinction of giant lemurs is attributed to climate changes and human activities, leaving only smaller lemur species today.

Which of the following lemurs was known for its adaptations to hang from tree branches?

• Sloth lemurs

• Koala lemurs

• Injury

• Monkey lemurs

What is the most widely accepted theory for how lemurs arrived in Madagascar?

• They were brought by humans

• They flew over

• They walked across a land bridge

• They rafted on vegetation mats

What is the term used to describe the rare event of animals crossing extreme barriers, like lemurs reaching Madagascar?

• Adaptive radiation

• Sweepstakes dispersal

• Natural selection

• Genetic drift

What ecological role does the modern eye eye fill in Madagascar?

• Seed disperser

• Fruit specialist

• Leaf eater

• Woodpecker-like insect forager

Which lemur was known for its fruit specialization and possibly helped disperse large seeds?

• Monkey lemur

• Sloth lemur

• Pachy lemur

• Koala lemur

What role do living roughed lemurs play in Madagascar's ecosystem?

• Soil aeration

• Insect control

• Seed dispersal

• Predator deterrence

What is the primary hypothesis for the presence of thorns on plants in Madagascar's spiny forest?

• To attract pollinators

• To deter human activity

• To protect against harsh weather

• To defend against lemur herbivory

What major event around 2300 years ago significantly impacted Madagascar's giant lemurs?

• Arrival of humans

• Massive flood

• Introduction of new predators

• Volcanic eruption

What evidence suggests that humans might have interacted with giant lemurs?

• Written records

• Ancient paintings

• Cut-marked bones

• Fossilized footprints

What is one reason why larger lemurs might have been more vulnerable to extinction?

• They reproduced faster

• They had more diverse diets

• They required less space

• They were more easily hunted