Answer:
Gastrulation.
Explanation:
The embryonic development occurs through the different developmental stages like cleavage, morula, blastula and so on. The formation of the germ layers occur in the gastrulation period.
The primitive streak is the structure that develops during the early stages of the gastrulation. As the embryo becomes asymmetric., the cells moves from their initial position and leads to the formation of primitive streak in the gastrulation phase.
Thus, the correct answer is option (C).
Answer:
Market failure occurs when there is a state of disequilibrium in the market due to market distortion. It takes place when the quantity of goods or services supplied is not equal to the quantity of goods or services demanded. Some of the distortions that may affect the free market may include monopoly power.
Answer:
B. system
Explanation:
An example of a system would be the circulatory system helps circulate blood carrying nutrients to organs and waste material away from organs. It includes the organs - heart, blood vessels and lungs.
Answer:
The layers of the epidermis depending on the region of the skin will be composed of the following layers from the outermost to the innermost:
- cornea layer (outermost layer)
- translucent layer
- granular layer
- spiny layer
- basal layer (innermost layer, contains melanocytes)
