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Additionally, with cephalization, the sense organs all tend to be located on the head. List at least four and discuss adaptations and examples for each type. Advantages and Disadvantages of Centralization. during embryonic development Blastula stage in embryo development that is a hollow ball of developing cells Cephalic head Cephalization development of a head Cleavage cellular division Radial cleavage cellular division occurs at right angles or parallel to . Deuterostomes Characteristics & Examples | What is a Deuterostome? for abstract above each italicized noun. ), and cephalopods (like octopuses and squids, etc.). the main disadvantage of having cephalization in the body structure is that huge amount of Nutrition is required for the proper development of the cephalization. Cats, for example, have vibrissae (whiskers) that detect prey in the dark and when it is too close to see. Disadvantage Definition & Meaning - Merriam-Webster BIOL 1030 Learning Outcomes W23 - BIOLOGY 1030 - LEARNING OUTCOMES What is a common name for an organism in the phylum Porifera? . Cephalization in the development of a functional "head" end of an organism. Most introductory textbooks list these animals as acephalic or lacking cephalization. What is are the functions of diverse organisms? Associated with bilateralism is the beginning of cephalization, the evolution of a concentration of nervous tissues and sensory organs in the head of the organism, which is where the organism first encounters its environment. Also, having the sense organs next to the brain means that sensory input doesn't have to travel very far to be interpreted. Here, I review 26 large-scale comparative studies that provide robust evidence for five lifestyle correlates of encephalization (group living, a large home range, a high-quality diet, a . One of the trends that has been seen to take place in evolution is cephalization.