In germinating seeds, the roots grow downward and the leaves and stems grow upward. What stimulus is the plant responding to?

In what part of a plant does photosynthesis occur?

A group of cells function together to perform a function. What level of organization is that?

3 What is the function of the Xylem?

11. Why would a plant grow towards a window?

6 How would plants most likely respond to the sun passing through the sky?

4 What is the function of the Phloem?

What do the roots do?

Why do stomata open?

What plants are more likely to have more stomata: plants in the desert with very little water, or plants in a rainforest with an abundance of water?

What does a plant produce from photosynthesis?

Why are plants able to stand upright and maintain their structure?