Possible mastery points
You can bring a horse to water, but you can't teach it to whack flies with its tail. It knew how to do that already!
They say it's a dog-eat-dog world, but it's really more like a shark-eat-tuna-eat-shrimp-eat-plankton world.
Consider the Australian rabbit. Oh! Excuse me, consider *two* Australian rabbits. No, wait, five! No, wait!
Predators may seem dangerous, but they're awfully important to an ecosystem.
A keystone is the rock at the top of an archway that locks the other pieces in place. So, what is a keystone species?
Get these kudzu vines off my lawn!
Up next for you:Level up on all the skills in this unit and collect up to 600 Mastery points!
About this unitWelcome to the fascinating subject of ecology! From population dynamics to biodiversity, this unit explores the complex web of interactions that make up our natural world.
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