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Punctuated equilibrium is a term that refers to the evolutionary changes of plants and animals in a relatively static way. In contrast to the concept that life forms change slowly over time in response to their environment, punctuated equilibrium is a theory that those changes occur in spurts of time periodically. Learn more about what punctuated equilibrium is along with examples of punctuated equilibrium.
If you’ve ever had a “good cry,” you know how therapeutic it can be to let it all out. But the term “good cry” doesn’t exactly explain what happens during a sobfest (what’s good about it, anyway?). Perhaps the term you’re looking for is “ugly cry.”