The first invertebrate group to exhibit cephalization was likely the flatworms (phylum Platyhelminthes). Cephalization is the evolutionary process of concentration of sensory structures (such as eyes and other sense organs) and nervous tissues at the anterior end of an organism, forming a head region.
MATBE
Yes. They have extensive cephalization. They have a brain and eyes.
Tape worm like lung fluke and liver fluke
Tape worm like lung fluke and liver fluke
cephalization for segmented worms, but idk about anything else
Worms are hermaphroditic, so no, they do not exhibit homosexual behavior or heterosexual behavior.
Yes, frogs exhibit bilateral symmetry. Cephalization is the concentration of nervous tissue at one end of an organism. The frog has this nervous tissue (the brain) at the anterior end of the body (the head.)
Phylum Nematoda does exhibit cephalization. Cephalization is a evolutionary trend in development in which the sensory and neural organs of a species becomes concentrated on one end of an organism.
Cephalization
Segmented worms, known as annelids, have bodies made up of repeated segments. They include common earthworms and marine bristle worms. Annelids have a true coelom and exhibit a high level of cephalization, with a well-developed nervous system and sensory organs. They play important roles in ecosystems by improving soil health and serving as food sources for other organisms.
Reptilian cephalization refers to the development of a more advanced and specialized head region in reptiles. This includes features such as a larger brain, sensory organs like eyes and nostrils, and specialized structures for feeding and communication. Cephalization allows reptiles to exhibit more complex behaviors and adapt to different ecological niches.