Caffeine Effects on Insects and Humans

The video explores caffeine's evolution from xanthocene in plants, its role as a defense mechanism against insects and other plants, and its unique effect on bees, enhancing their memory and aiding pollination. It also discusses caffeine's impact on humans, tracing its historical use in drinks like tea and coffee. The video concludes with a call to support MinuteEarth on Patreon.

What molecule did caffeine evolve from in plants?

• Glucose

• Chlorophyll

• Adenosine

• Xanthocene

How does caffeine affect insects that consume it?

• It makes them sleepy

• It has no effect

• It confuses them or can be lethal

• It enhances their growth

Which insect can tolerate high levels of caffeine?

• Honeybee

• Coffee-borer beetle

• Ant

• Butterfly

What effect does caffeine have on bees?

• It has no effect

• It repels them

• It improves their memory

• It makes them sleepy

How does caffeine influence bees' behavior towards flowers?

• It makes them avoid flowers

• It encourages repeated visits

• It makes them destroy flowers

• It has no effect on their behavior

Which ancient civilization is believed to have first made caffeinated drinks?

• Ancient Greeks

• Ancient Romans

• Ancient Egyptians

• Ancient Mesoamericans

What is the approximate annual global production of coffee?

• 11 billion kilos

• 7 billion kilos

• 9 billion kilos

• 5 billion kilos

What percentage of people consume caffeine daily?

• 100%

• 70%

• 50%

• 90%

What is the main purpose of the promotional item mentioned in the video?

• To sell a new book

• To advertise a new energy drink

• To support MinuteEarth

• To promote a new coffee brand

What additional perk is offered when joining MinuteEarth's Patreon?

• A free coffee sample

• A custom mug

• A free book

• A free video download