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All cnidarians possess long extensions of the body called tentacles?
Wiki User
∙ 9y ago
All cnidarians possess tentacles and are radially symmetrical. Most cnidarians are found in shallow water and are marine life.
Wiki User
∙ 9y ago
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Do cnidarians have nervous systems?
A cnidarians nervous systems Is a simple nerve net A cnidarians nervous systems Is a simple nerve net
What are the rope-like extensions that hold the yolk centered in the egg shell called?
Chalaza are the rope-like extensions that hold a yolk centered in the egg shell. It attaches to either end of the shell and acts like an anchor to the yolk.
Is that possible a human being may possess both male and female organs?
Yes, they are very rare but they are called hermaphrodites.
How do caecilians protect themselves?
Cnidarians are unique because they contain cnidocytes when no other organism does. Cnidocytes are cells inside the epidermis of the tentacles and these cells contain organelles called cnidea. There are different types of cnidea in cnidarians such as nematocysts which contain a stinging venom to paralyze prey and spirocysts which contain sticky threads to capture prey.
What is an animal called with an internal bony structure?
The internal bony structure is called an "endoskeleton", in contrast to a rigid shell on the outside of the animal, normally made of chitin.Animals that possess these structures are known as vertebrate animals.
True or false All cnidarians possess long extensions of the body called tentacles?
A:True
What are the appendages in cnidaria?
Appendages in cnidarians are called tentacles . They are used in food capture and defense . Stinging cells are present in tentacles .
What is the armlike structure that surrounds a cnidarians mouth called?
what is the arm like structures surrounding the mouth of cnidarians
What are the fingerlike extensions with specialized stinging cells found on all cnidarians?
They're called cnidocytes. ^^
Why might stinging tentacles be advantageous for slow moving predators such as some cnidarians?
All Cnidarians have tentacles with stinging cells in their tips which are used to capture and subdue prey. In fact, the phylum name "Cnidarian" literally means "stinging creature." The stinging cells are called cnidocytes and contain a structure called a nematocyst.
What do cnidarians use there tentacles for?
Cnidereans have pressure-sensitive poison glands called nematocysts that are usually on their tentacles. When their [prey] touches these nematocysts, small "fangs" inject poison into the [prey]. The poison in the nematocysts can paralyze or even kill small animals. Once the prey is subdued, the tentacles pull the prey towards the mouth.
What are three characteristics that all have in common?
All cnidarians live in water, have tentacles with specialized stinging cells called nematocysts, and have an internal sac for digestion which is called the gastrovascular cavity.
What do cnidarians use to defend themselves?
cnidarians have stinging cells called nematocysts located on their tantacles
What are three characteristics that all cnidarians have in common?
All cnidarians live in water, have tentacles with specialized stinging cells called nematocysts, and have an internal sac for digestion which is called the gastrovascular cavity.
Cnidarians are members of the phylum?
Cnidarians are members of the phylum Cnidaria. They are a diverse group of animals that includes jellyfish, corals, and sea anemones. Cnidarians are characterized by their radial symmetry, specialized stinging cells called cnidocytes, and a basic body plan with a central mouth surrounded by tentacles.
Cnidarians possess unique cells called cnidocytes that are important because?
they contain a long, barbed or sticky stinging thread used for capturing prey
What is a animal with arm like parts that are called tentacles?
Animals with tentacles include squid, octopuses, and jellyfish. Cuttlefish and Portuguese Man of War also have tentacles. Many people think starfish have tentacles, but these are actually true arms and legs.
