Answer:
C. when an origanism changes tropic levels to look like another organism
It is A: a chemical reaction, due to the acid activity (acetic acid)
Answer:
The leaves of the branches of the forest and garden trees are very valuable roughage for goats in winter. It can replace up to half of the estimated roughage for the day, ie. 4-5 twigs weighing 2 kilograms. The nutritional value of wallets is about 2 times less than that of hay. The most nutritious is acacia, followed by willow, hazel, elm, linden, oak, ash, maple, pear, quiver, poplar, etc. Regardless of the type, the most nutritious are the leaves prepared in June and July, while the branches of the trees are still tender and not completely woody.