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1) cnidarians have bilateral symmetry, 2) there are 2 different forms(dimorphism) , a medusa and a polyp, 3) reproduction is asexual or sexual. 4) they have cnidoblasts, special cells that contain nematocysts, the cells that sting, and 5) they have an internal cavity, and a mouth where food comes in and out. digestion is extracellular.
What else can I help you with?
What animals are Cnidarians?
Jellyfish
What do cnidarians look like?
cnidarians are animals that look like plants and are found at the bottom of the ocean. they have tentacles that can sting you if you touch them
What are the two forms of cnidarians?
Cnidarians come in two forms: a medusa has tentacles that hang down and polyps usually live attached to a surface.
What is the skeleton found in cnidarians and earthworms?
that they're richer and the cook is basically a gratified slave
Is an hydra a arthropods?
No. Arthropods are members of the phylum Arthropoda; but hydrae are members of the phylum Cnidaria. The closest to a "common" term for animals in this phylum that exists is "cnidarians".
What are some characteristics of cnidarians?
soft bodies and stinging cells
Which characteristics do scienctists use to classify cnidarians?
from other animals they get it
What are some special characteristics for cnidarians?
Jellyfish, corals, and box jellies
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 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.
What are two types of cnidarians that are formed by colonies?
small cnidarians and big cnidarians
What are 3 characteristics of cnidaria?
3 characteristics of cnidarians are having tentacles, cnidocytes, and digestion. Cnidara have poisonous stinging cells and soft bodies. Stinging cells can be found in the tentacles of a jellyfish.
What are the characteristics of cnidarians?
All cnidarians have on their tentacles stinging cells called nematocytes. They have no brains or a central nervous system. Another common feature is that they all can regenerate, letting them produce asexually (without the need for another partner) and to recover from injury.
Describe five key characteristics of tourism?
discribe five key characteristics of tourism
Do cnidarians have nerves?
cnidarians have no nervous system
What is the family for cnidarians?
The cnidarians are in the Kindom family
Is a cnidarians invertebrates?
Yes, cnidarians are invertebrates.
