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Echinoderms generally have tube feet and are symmetrical radially. A feature they do not have is lungs to breathe air because they have a water based vascular system.
Era Boyer
Ila Harris
Echinoderms generally have tube feet and are symmetrical radially. A feature they do not have is lungs to breathe air because they have a water based vascular system.
Wiki User
∙ 11y agoseeing as there are no choices I will list all of the characteristics of P. Cnidaria I know:
- subkingdom: Eumetazoa
- tissue level of organization
- entirely aquatic habitat, mostly marine
- 9500 species
- size: from tiny hydra to see blubber (10-11 ft)
- radially symmetrical
- some sessile and some are motile, but they move extremely slow
- two germ layers (diploblastic)
- they have a unique cell called the Cnidocyte which is a stinging cell
- have 2 body forms : polyp or medusa
- life cycle alternates between sexual and asexual reproduction
Wiki User
∙ 9y agoEchinoderms generally have tube feet and are symmetrical radially. A feature they do not have is lungs to breathe air because they have a water based vascular system.
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A characteristic of cnidarians is that they are?
They're named from there body symmetry
Which characteristic do scientists use to classify cnidarians?
Radial symmetry
What characteristic is shared by cnidarians and flatworms?
a digestive system with a single opening
What characteristics gives cnidarians their name?
The characteristic that gives cnidarians their name is: cnidarian means "nettle" and nettles are plants that release stinging barbs into the skin. All cnidarians have stinging cell's. Cnidarians have complex tissues, a gut for digesting food, and a nervous system.
What is the special feature of the cnidairian?
A stinging cell, that all cnidarians have. It's called a nematocyte. It is the defining characteristic of the phylum.
Which have a greater number of species cnidarians or mollusks?
Mollusks win this one, with the 8 following species: Caudofoveata Aplacophora Polyplacophora Monoplacophora Bivalvia (bivalves) Scaphopoda Gastropoda Cephalopoda Cnidarians have the following 5 species (one extinct): Anthozoa Scyphozoa Cubozoa Hydrozoa Conulata - extinct
What are two types of cnidarians that are formed by colonies?
small cnidarians and big cnidarians
Which of the following is a characteristic of professional presence?
What is "the following"?
Which of the following organisms is not a Cnidarian?
The comb jellies and the cnidarians, Shellfish regularly consume poisonous red tide organisms.
which following is not a characteristic of a transverse mechanical wave?
?
Which of the following is characteristic of a competitive market?
efficiency
Do cnidarians have nerves?
cnidarians have no nervous system
