Define the term cephalization
Define the term cephalization? How does lateral symmetry prefer cephalization?
Expert
Cephalization is an evolutionary tendency of concentration of nervous command in the central structures in which there are group of neurons (that is, brain and ganglia formation). Evolutionarily the cephalization procedure starts with the appearance of ganglia (that is, group of neurons) in platyhelminthes and reaches an apex in the vertebrates, animals with a cranial box to defend the well-developed brain.
By lateral symmetry the body can be classified into lateral portions, inferior, superior, anterior and posterior. Such portions should be integrated and controlled in certain manner and this require stimulated the appearance of ganglial complexity and of beings with a head, an advantaged extremity of the bilateral body where the nervous central command and significant sensory organs are situated.
Briefly describe the term Nuclear energy?
Besides liver that is other adnexal gland of the digestive system which releases substances within the duodenum participating in the extracellular digestion?
what is the historical nature of the glands
Departmentation Departmentation is a part of the organizational process. It means dividing and grouping the activities and employees of an enterprise into various de
Explain the term coacervates?
Specify the advantages of the cognos?
Vendor Management: Vendors are businesses or individuals which supply services or goods to other businesses or individuals. It is a term used to illustrate the process of finding, doing and qualifying business with vendors. Common activities comprise
Explain the main substances transmitted from the mother to the fetus via the placenta and from the fetus to mother?
What is the physiological reason of the syndrome acknowledged as cretinism?
Data Communications: It refers to sending digital messages employing communication technology. The Communication technology employed in data communications comprises wires, radio frequencies and optic fibers. In the United States, the Federal Communic
18,76,764
1935568 Asked
3,689
Active Tutors
1439309
Questions Answered
Start Excelling in your courses, Ask an Expert and get answers for your homework and assignments!!