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The comb jellies in phylum ctenophora and the cnidarians in phylum cnidaria have which type of symmetry?
Due to their similarities, it was originally considered that both comb jellies and cnidarians went in the Phylum Coelenterata. However, these days, comb jellies are considered as Phylum Ctenophora and cnidarians as a separate phylum Phylum Cnidaria. Cnidaria includes box jellies, jellyfish, hydra, sea anemones and corals.
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What two animal phyla show radial symmetry?
The two animal phyla that show radial symmetry are Cnidaria (such as jellyfish and sea anemones) and Echinodermata (such as starfish and sea urchins). Radial symmetry means that the body parts are arranged symmetrically around a central axis, like spokes on a wheel.
Is an octopus a coelenterate?
Coelenterata is an obsolete term encompassing two animal phyla, the Ctenophora (comb jellies) and the Cnidaria (coral animals, true jellies, sea anemones, sea pens, and their allies).
What is the family of comb jellies?
ctenophora
Do comb jellies have nematocysts?
Comb jellies are somewhat different from true jellies (cnidarians). They lack stinging nematocysts and have developed other strategies to feed and protect themselves. Some of these include oral lobes to capture prey and sticky tentacles.
What is the scientific name for comb jellies?
the scientific name for comb jellies is Ctenophore
What are some kinds of cnidarians?
Jellyfish, corals, and box jellies are cnidarians.
What is a jellyfish a mammal or amphibian?
Nothing called a "Jellyfish" is either mammalian of amphipian, in that they dont breath with lungs, nor do they live out of water. Most of the animals called "Jellyfish" are from one of these phyla: * Box Jellies -- poisonous -- Cnidaria * Comb Jellies -- Ctenophora * Portoguese Man Of War -- Cnidaria, hydrozoa* Jellyfish -- Cnidaria In the old days, these two were grouped under one, now obsolete, Phylum: Coelenerata
Which phyla have only two germ layers?
Phyla that have only two germ layers are Cnidaria and Ctenophora. These phyla are considered diploblastic, meaning they develop from two embryonic germ layers: endoderm and ectoderm. organs. This is in contrast to triploblastic animals, which have three germ layers (endoderm, mesoderm, and ectoderm).
Is a Cnidarian almost like a jellyfish?
Jellies are Cnidarians.
Where might you find cnidarians?
Cnidarians are things such as sea jellies, therefore usually will be found in marine environments.
What is the phylum of the bell or umbrella shaped bodies animals?
The phylum of bell or umbrella-shaped animals is Cnidaria. These animals have radial symmetry and specialized stinging cells called cnidocytes, which they use for capturing prey and defense. Examples of animals in this phylum include jellyfish, corals, and sea anemones.
What is the name for the comb jellyfish?
Ctenophores (comb jellies) are a separate phylum from Cnidaria.
