Why do living things need food and water in the ability to get rid of waste?

Which of these is the correct sequence for the phases of mitosis? prophase, interphase, metaphase, telophase prophase, metaphase, telophase, anaphase prophase, metaphase, anaphase, telophase interphase, prophase; metaphase, anaphase

What's the waste product of electrons and pyruvate combining in fermentation?  

Which is an example of a vestigial structure? a. tail of a monkey b. fin of a fish c. flower of a plant d. tailbone of a human