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Which phylum includes animals that have radial symmetry and are often covered with spines?
Wiki User
∙ 16y ago
The phylum cnidaria have radial symmetry, meaning their body parts are arranged regularly around a central axis. Most are covered with nematocysts structures which serve as defense against predators and appear to be spines from the outside.
Wiki User
∙ 16y ago
The phylum Echinodermata includes animals with radial symmetry, such as sea stars, sea urchins, and sand dollars. These animals are often covered with spines and have a water vascular system that helps in movement and feeding.
Wiki User
∙ 10y agoChordata
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What type of body symmetry do the animals in mollu sks phylum have?
Most animals in the Mollusk phylum have bilateral symmetry, where their body can be divided into two equal halves along a single plane. This symmetry allows for more efficient movement and sensory abilities.
What is the phylum and symmetry for fish?
Fish belong to the phylum Chordata, which includes all animals with a dorsal nerve cord. Most fish exhibit bilateral symmetry, meaning they can be divided into two equal halves along a single plane.
What is the only animal phylum that does not have tissues and symmetry?
The phylum Porifera (sponges) is the only animal phylum that lacks true tissues and symmetry. Sponges are simple multicellular organisms with specialized cells, but they do not have tissues that are organized into distinct structures like other animals. Additionally, sponges exhibit asymmetry rather than bilateral or radial symmetry found in other phyla.
What are the type of symetry in phylum?
Symmetry in animals of the phylum is typically categorized as radial or bilateral. Radial symmetry is when an organism can be divided into equal halves in multiple planes around a central axis, like a sea anemone. Bilateral symmetry is when an organism can be divided into two equal halves along just one plane, like a human.
What phylum are spiny skinned animals in?
Spiny skinned animals, such as sea urchins and sea stars, belong to the phylum Echinodermata. These organisms are characterized by their calcareous skeletons and radial symmetry. Echinoderms are predominantly found in marine environments.
What type of body symmetry do the animals in mollu sks phylum have?
Most animals in the Mollusk phylum have bilateral symmetry, where their body can be divided into two equal halves along a single plane. This symmetry allows for more efficient movement and sensory abilities.
What is the phylum and symmetry for fish?
Fish belong to the phylum Chordata, which includes all animals with a dorsal nerve cord. Most fish exhibit bilateral symmetry, meaning they can be divided into two equal halves along a single plane.
Does a hydra have bilateral or radial symmetry?
The hydra has radial symmetry. The hydra belongs to the phylum Cnidaria and many immobile species in this phylum exhibit radial symmetry. Some marine animals that have bilateral symmetry are fish, sea turtles, and marine mammals.
What is the only animal phylum that does not have tissues and symmetry?
The phylum Porifera (sponges) is the only animal phylum that lacks true tissues and symmetry. Sponges are simple multicellular organisms with specialized cells, but they do not have tissues that are organized into distinct structures like other animals. Additionally, sponges exhibit asymmetry rather than bilateral or radial symmetry found in other phyla.
What phylum has no body symmetry?
Porifera is the phylum with no body symmetry: it is asymmetrical.
What is the best example of a-symmetry?
I assume you mean in animals? The best example is a sponge, in Phylum Porifera.
What are the type of symetry in phylum?
Symmetry in animals of the phylum is typically categorized as radial or bilateral. Radial symmetry is when an organism can be divided into equal halves in multiple planes around a central axis, like a sea anemone. Bilateral symmetry is when an organism can be divided into two equal halves along just one plane, like a human.
What phylum are spiny skinned animals in?
Spiny skinned animals, such as sea urchins and sea stars, belong to the phylum Echinodermata. These organisms are characterized by their calcareous skeletons and radial symmetry. Echinoderms are predominantly found in marine environments.
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.
Phylum of macaca fascicularismonkeys?
Phylum Chordata. Animals with backbones are in the Phylum Chordata. This includes humans and other primates.
What type of animal has no symmetry?
Actually all Cnidarians have radial symmetry (able to be divided into identical pie-shaped segments) and have stinging cells. The invertebrate with no symmetry is probably a sponge, phylum Porifera.
Phylum name for planarian?
The phylum name for planarians is Platyhelminthes, which includes flatworms like the planarian. They are characterized by their flattened body shape and bilateral symmetry.
