watch it grow
Not all plants take the same shape. Imagine a world where all the fruits and vegetables looked the same? It would be pretty weird. But they don't and neither do all of their parts, they all grow different in some way. Take a look at a few examples and see how their roots, leaves, stems, and other parts grow.
Food Chains
One important thing to consider when thinking about extreme survivors is - how does a food chain work? In extreme environments a food chain is especially cool. Studying a food chain can show you just how all the little critters and plants have survived in such harsh places. Here is a refresher on how a food chain works from our friends at brainpop.com.