Tubes that deliver glucose to plants are called phloem.
Answer:
Here's Why:
Explanation:
In living cells there are hundreds of different enzymes working together in a coordinated manner, and since cells neither synthesize nor break down more material than is required for normal metabolism and growth, precise enzyme regulation is required for turning metabolic reactions on and off.
Answer:
D, think of chemical changes. When iron rusts it is chemically changed. The other answers are a change in form or a property of iron.
Answer:
The tissues of a leaf needs to have the ability to resist changes in their natural environment so that they can survive
