Why do plant cells need a cell wall and chloroplasts but animal cells do not?

Ateam from new york presbyterian hospital is conducting a study about a recent increase in cases involving both excess sweating and kidney stones. what would the team need before it draws a conclusion about the cases? medications that are specifically designed to treat the sickness machines that are built to process blood and reduce symptoms until patients are healthy again data that profile the various patients who report these symptoms proof that the excess sweating is related to the excessive kidney stones

The transport tubes from food came down the plant are called?

Number and variety of living organism; includes genetic, species, and ecological types