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Cephalization is a process of formation of distinct head.It was first seen in the group Platyhelminthes.The anterior part of the body first enters into a new environment.Hence a need for development of special modification was required to sense the new environment.Therefore head was developed in the mean period of evolution,with sensory organs,to detect dangers,to detect the prey for feed,search for suitable mates...etc.Hence without cephalization,it is not that easy to survive in the environment.
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How do animals with cephalization respond differently to the environment than animals without cephalization?
Animals with cephalization respond more quickly and in more complex ways.
What are Common names of animals that lack cephalization?
Which of the following groups of animals lacks cephalization? Question 4 options: Arthropods Cnidarians Roundworms Annelids
Which animals possess the anatomical characteristic cephalization?
animals that have bilateral body symmetry
What does cephalization refer to?
Cephalization refers to the gathering of neural tissue towards the anterior or posterior for means of central control. In arthropods, cephalization has formed the brain in the head of the animal, usually consisting of the first three ganglia of the paired nerve cords.
What process does the term cephalization describe?
Cephalization is the process in animals by which nervous and sensory tissues become concentrated in the "head." The evolution of a head allows scientists to distinguish between the head end, or anterior, and the opposite end, the posterior.
A concentration of sense organs and nerve cells in anterior end of the body known as?
Cephalization
The Cephalization of the body planes a grasshopper?
Animals can be divided both horizontally and vertically. Grasshopper cephalization means they have heads that are well developed and include sense organs.
What is the disadvantage of cephalization?
Cephalization has great importance in the evolution. It is considered as great achivement by the animals. Besides its advantages, it has some disadvantages too. The disadvantages of cephalization are 1. The animal cann't see what happening behind its head. 2. Head can be moved upto 180 degree angle in most of the animals including humans. But it is not true in case of birds.
What did bilateral symmetry lead to the evolution of?
It allows different parts of the body to become specialized in different ways. This is called cephalization.
Does a hydra have cephalization?
A hydra does not have cephalization.
What are the five characteristics of complex animals?
specialized cells,bilateral cymmetry, cephalization and a body cavity
Most bilaterally symmetric animals have a definite head end a condition called cephalization?
true
