What state of matter does water have to be for plants to make any use of it
What are the four challenges that plants face in this cold environment?
1.
2.
3.
4.
What type of microscopic plant is so small that it grows inside and within the grains of rock?
What do plants that grow in walk stay protected from
How does being small help the mustard seed? What does its size protect it from?

The trunk of willow trees grow ______________ instead of vertically.
What does the heat from watching the sun help the poppy plant do?