Why Do Some Animals Get Gigantic?

To learn more about this topic, start your googling with these keywords: Spiracles: External respiratory openings on insects Carboniferous Period: The time period from 359-299 million years ago when the Earth’s oxygen levels increased rapidly. Square-Cube Law: A mathematical principle that describes the relationship between area and volume. Buoyancy: An upward force exerted by a fluid that opposes the weight of an immersed object. Phytoplankton: Microscopic plants eaten by krill and other zooplankton. Baleen: A filter-feeding system inside the mouth of some whales. MinuteEarth is produced by Neptune Studios LLC https://neptunestudios.info If you like what we do, you can help us! - Become our patron: https://patreon.com/MinuteEarth   - Buy our merch: http://dftba.com/minuteearth   - Buy our book: https://minuteearth.com/books - Sign up to our newsletter: http://news.minuteearth.com   - Share with your friends and family - Leave us a comment (we read them!) Learn more about your ad choices. Visit megaphone.fm/adchoices