In zoology, cephalization is the evolutionary trend toward concentrating nervous tissue, the mouth, and sense organs toward the front end of an animal. Fully cephalized organisms have a head and brain, while less cephalized animals display one or more regions of nervous tissue. Cephalization is associated … See more Cephalization offers an organism three advantages. First, it allows for the development of a brain. The brain acts as a control center to … See more Three groups of animals display a high degree of cephalization: vertebrates, arthropods, and cephalopod mollusks. Examples of … See more Cephalization doesn't offer an advantage to free-floating or sessile organisms. Many aquatic species display radial symmetry. Examples include echinoderms (starfish, sea urchins, sea … See more WebApr 8, 2024 · Cephalization progressed in arthropods with increasing incorporation of trunk segments into the head region. This was beneficial because it allowed for the evolution of more efficient mouth-parts for capturing and processing food. Insect brains are strongly cephalized, with three fused ganglia attached to the ventral nerve cord, which has a ...
Phylum Annelida - austincc.edu
Webclam dissection guideline monadnock regional high school web b discussion questions 1 you found a mantle and gills on both valves using that as evidence what kind of ... incomplete explain your answer 6 do bivalves show cephalization explain your answer free clam dissection questions answer key pdf WebA) Cnidaria B) Platyhelminthes C) Porifera D) Arthropoda E) Mollusca Q.9. A farm pond, usually dry during winter, has plenty of water and aquatic pond. Question: Q.7. A land snail, a clam, and an octopus all share A) a … breed selective legislation
Clam Dissection Questions - BIOLOGY JUNCTION
WebCephalization Explanation: read the table comparision of clam to squid View the full answer Step 2/3 Step 3/3 Final answer Transcribed image text: 24.1 Molluscs On the lines provided in Figure 24.1, write cephalization or no cephalization as appropriate for this mollusc. a. WebCephalization definition, a tendency in the development of animals to localization of important organs or parts in or near the head. See more. Webcephalization with a distinct head (=prostomium) tentacles, palps and sensory structures peristomium behind prostomium contains the mouth with pharynx and chitinous jaws … breed selector quiz