Questions for a Tree...

Here are the questions we are researching for homework this week:

(M) What kind of plant is a cactus? Is it a tree?
(C) What happens when you cut off part of a tree or injure it? Can a tree survive if it is cut in half?
(M) What are the tallest and oldest trees? How do the oldest trees survive so long? Why don’t the tallest trees fall down? How long can an oak live?
(P) Can a tree grow upside down? What is the story with the upside down trees? (M) How do trees give off oxygen?
(E) How big can roots be?
(A) Can you eat trees?
(P) How cold can a tree get before it dies?
(G) How do trees reproduce?
(B) How can we use hemp or other resources instead of trees?
(O/E) Can you mix or cross varieties of trees?
(C) What happens when you graft branches of different species?
(H) Can trees be different colours?- how can they change colour?
(J) What are trees used for?
(R/J) Do trees stop growing?

(C) How are trees affected by drought?

(S) What is the smallest fully mature tree?