Cephalization describes the process by which organisms develop a distinct head. The head of a cephalized organism contains a concentrated group of nerves, or brain, that controls the rest of the organism, as well as specialized organs for consumption and perception, like mouths, eyes and ears. Cephalized organisms exhibit a distinct division between parts of the body; they have a front, back, top and bottom. These animals comprise the bulk of animals that are encountered on a daily basis.
sea star following organisms exhibits cephalization
Only one sound blocking material should tested at once and the sound will vary on how much and what kind of materail you use.
Answer:
Neuro scientists uses brain lesioning for studying the brain.
Explanation:
- When damage occur in a small area of brain,is called as lesions.The role of lesion is to control the movement of target cell and this is used to treat the movement of these disorders.
- This type of treatment is usually not prefer by doctor as it may create problems and are rarely used.
- Some movement disorders are not cured by lesioning but it can help at certain point.
- This type of treatment may create many risks like-speech problem, cognitive problems, galt problems,vision problems, numbness etc
To activate means to start, and activation energy starts the reaction, which means activators start the reaction.
Answer: Activators
If a person drinks too much water in a certain short period of time, it can be very dangerous. It can cause the level of salt, also known as sodium, to drop really low, which is serious and can hurt you <span />
