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Do all mollusks have cephalization?
Yes. They have extensive cephalization. They have a brain and eyes.
How a earthworm demonstrates cephalization.?
Earthworms demonstrate cephalization through the concentration of nerve tissues and sensory organs at their anterior (front) end. This adaptation allows them to respond more effectively to their environment, as the head region contains a simple brain and sensory structures, facilitating navigation and interaction with their surroundings. While earthworms lack a defined head like more complex animals, their body plan reflects an early form of cephalization that enhances their ability to sense and react to stimuli.
Why is the lack of cephalization not a disadvantage for a see star?
The lack of cephalization in sea stars is not a disadvantage because they possess decentralized nerve nets that allow them to coordinate movement and respond to their environment effectively. Their radial symmetry also aids in this coordination. Additionally, their specialized tube feet help them to navigate and capture prey without the need for centralized brain control.
What is the common name for N-methylethanamine?
The common name for N-methylethanamine is dimethylamine.
Why are animals exctinct and why?
Animals go extinct for numerous reasons. Common reasons animals die out are lack of habitat, over hunting, and changes in food or water sources.
Do fluke worms exhibit cephalization?
Fluke worms, which belong to the class Trematoda, do not exhibit cephalization in the same way that more complex organisms do. They have a simple body structure and lack a well-defined head or centralized nervous system. Instead, their nervous system is more diffuse, and they possess a few clusters of nerve cells, or ganglia, but these are not organized into a true head region. Thus, while they have some sensory structures, they do not demonstrate significant cephalization.
Which phyla do not have cephalization?
Subregnum: ParazoaPhylum: PoriferaSubregnum: AgnotozoaSuperphylum: RadiataPhylum: BrachiopodaPhylum: BryozoaPhylum: DicyemidaPhylum: EntoproctaPhylum: Gastrotricha
What is the common problem in Africa?
Disease, poisonous animals, unclean water, lack of food. It depends on what part of Africa though.
What animals lack ears?
Snakes and fish are examples of animals that lack external ears.
What is lack of common measure of value?
lack of common sense..
Which animals contains tissues but lack complex organs?
There are quite a few animals that contain tissues but lack complex organs. One of these animals is the jellyfish.
What is Brahma the Hindu god surname?
In Hindu mythology names are often singular. They lack surnames, or the cities from which they hail, as is common in many Western traditions.
