Answer:
The right answer for the blank is cleavage.
Explanation:
After fertilization the next step is cleavage in which zygote divide mitotically. As the embryo move from oviduct down the fallopian tube it divide into two cell and then four cells. four cell embryo is known as blastomere.
Geographic Information Systems (GIS)
tool will allow Suzanne to analyze and visualize data on a map. Geographic
Information Systems is a computer-based tool that is used for analyzing,
storing, manipulating and visualizing geographic information, usually in a map.
GIS can include information about location, people, landscape and sites of
factories.
Schizocoelic development
The coelom is a fluid-filled body cavity, where the internal organs are suspended in. It is the cavity between the wall of the body and the digestive tract.
In the schizocoelic development of the embryo, the coelom, called the schizocoel, develops as a split in the mesoderm. The outer layer of the mesoderm attaches with the ectoderm to form a body's musculature, while the inner layer attaches with the endoderm to form the wall of the digestive tract.
This type of development is commonly found in annelids, arthropods, and mollusks.
Introduction to the outer condition and conceivable cancer-causing agents and, or the fast rate of mitosis that would enable malignancy to spread rapidly.
The skin has body securing capacities, it shields the interior organs from the introduction of the outer condition. It likewise pieces infections and other hurtful substances.