is there an easy way to remember taxonomy?
Have a look at Wikipedia > List of mnemonics#Biology.


Dear King Philip Came Over For Good Soup
Do Kings Play Chess On Fine Green Silk?
Dumb Kids Prefer Cheese Over Fried Green Spinach
Do Kindly Place Cover On Fresh Green Spring Vegetables
Donald Kills People Cause Other Friends Get Sad


Given the current political situation I would go with the last one but it is up to your personal preferences. You can as well make up your own. Mnemonics are like soups; it is always better when homemade. For example, extending upon the last and inspired by @John's comment, here is a homemade mnemonic


Donald Kidnaps People's Children Causing Outlaw Foreigners Great Suffering


Enjoy the game!