Which statements describe a human-created mass extinction?

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Did you know that a blue wales tongue weighs more than an elephant?

Jasmine, at 33 months of age, is able to engage in some self-care behaviors but still has trouble with tasks such as putting on socks. a few months later, she accomplishes this same task relatively easily. the change in abilities is most likely due to