B. Protistans, a group thought to have given rise to other eukaryotic cells
the answer is 3,190,000 kcals
Answer:
The correct answer is C. Mammals can produce milk for their offspring.
Mammals are the members of class mammalia. The word mammalia was derived from Latin word "mamma" which means "breasts" as they had a unique feature i.e. presence of mammary glands.
These glands were evolved from a special types of sweat glands and became specialized in the production of milk, especially in females.
They help the mothers in providing nourishment to the offspring.
Other features of mammals may include four chambered heart, hair and fur, three middle ear bones, etc.
Explanation:
The difference is in their chemical structure. Simple carbohydrates have a simpler molecular form, and as such are super easy to digest and fairly quick form of energy. Sucrose and Fructose are examples of such simple carbohydrates
Complex Carbohydrates, form a larger chain, and come packed with fiber. They have more advanced components that offer better health benefits (fiber) and are digested for more energy. Additionally Complex carbs are used by organisms to store large amounts of backup energy. Examples of such things include Starch (plants) and Glycogen (animals and Humans).
