Task 5. Wood
The tree (lat árbor.) - A vital form of woody plant with a single, clearly marked, many years, in different stepeniodrevesnevshey, continuing throughout life, an extensive (except trees) main axis - the barrel.
Figure 9
Question 1. How to determine the age of a coniferous tree, if the tree trunk sawed across?
Concentric circles
Color crust
For trunk thickness
Height of the tree
Answer: .
Question 2. Show the three main parts of the
tree
Root, stem, crown Figure 10
Pith, cambium, shtamb
S. Crown, bole, core
D. Root, trunk, bole
Answer: .
Tasks 6. The problem of the Aral Sea
One of the consequences of anthropogenic human activity, is the Aral Sea problem. The ecological situation caused considerable damage to the Aral region population. Mainly affected children, as well as residents of villages and towns in the region. The region has the highest mortality rate of children and mothers. The number
of both infectious and parasitic, psychosomatic diseases. Medical experts have linked them with sea desiccation.
Question 1. What are the prospects or event could prevent the drying of the Aral
Sea?
Answer: .
Question 2. Formulate a question related to the improvement of the
environmental problems that can be scientifically - studied.
Answer: .
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