The answer is B. The polar jets stream moves south.
Answer:
The requirement of different nutrients, divide them into 2 categories.
Explanation:
On the basis of requirement of nutrients in our food, the chemicals are divided into 2 types - macronutrients, and macronutrients.
Nutrients are the molecules present in the food nourishes the living organisms. The macronutrients are needed in large quantities and they provide energy to the organism.
There are 3 major macronutrients present in every kind of food - proteins, fats, and carbohydrates.
On the other hand, micronutrients are required very less amount to the animals. But they are important for nourishment of the body, but their quantity is very less. Example of micronutrients are vitamins, minerals, manganese, iron, potassium, etc.
Therefore, it is told one should take balance diet to get all the nutrients.
Glucagon and Insulin are both hormones that regulate blood sugar levels and they are both produced by the pancreas.
When sugar levels in the blood are high the pancreas secretes insulin from its beta cells and releases it into the blood stream. Insulin causes the red blood cells, fat cells and muscle cells to absorb sugar from the blood .
When sugar levels are low, the pancreas secrets glucagon from its alpha cells which stimulates the liver to release the glucose that is stored in its cells.
Thus these two hormones work in the body to keep sugar levels balanced.
Here is the answer of the given question above.
Often times, non-human life in an urban ecosystem is more disturbed in a way that changes happen rapidly, such as the soil and plant cover and temperature and water availability. In this kind of ecosystem, there is no stability and sustainability. On the other hand, in an undeveloped forest ecosystem, plants play a major role and that, the lives in this kind of ecosystem is undisturbed, making it more ideal for many animals to live. Hope this answer helps.
