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.
Charles Darwin has the first or the origin of the bipedalism
hypothesis. Human beings are compared to
apes and he also suggested enormous brain and upright locomotion were link. He
also suggested human evolved into larger brains when still
ape-like-tree-dwellers. Humans are bipedal because they have free hands to
carry and manipulate tools and having tool-use, lost their project canning.
In a way, it was the creation of the punnet square and the start of understanding gene pools. He also learned how to manipulate there traits.
Organisms with more genetic variation are more likely to survive because if something changes in their environments, then they have a larger possibility to survive the changes.