
In hydra the symmetry is ?
Answer
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Hint: The symmetry of organisms is basically of three types – radial, bilateral and asymmetry. Hydra is an Asexually reproducing organism which uses budding to form its offspring.
Complete answer –
We can understand the importance of symmetry by the very fact that organisms are defined by this in various taxonomic groupings.
Various types of symmetry are –
Radial symmetry – It is a type of symmetry in which the organism is divided into two equal halves by passing a plane through the central axis. An animal which belongs to radial symmetry doesn’t really possess any left side and right side. This type of symmetry is mostly seen in phylums like ctenophora and cnidaria. As we say so we know that hydra is a cnidaria and so performs radial symmetry.
Bilateral symmetry – It is a type of symmetry in which the opposite sides are similar. The body in this type of symmetry gets divided into the identical left and right side. These organisms show a mirror image along the midline. However, this doesn’t mean that the internal organs are distributed symmetrically. Majority of the phylums possess this symmetry, including annelid, nematoda, arthropoda, chordate etc.
Asymmetry - In the absence of a particular kind of symmetry in organisms we call it asymmetry. This can be seen in simple phylums like porifera.
In hydra the symmetry is radial symmetry.
Note:
It is a notable fact that in many organisms the internal organs show asymmetry. For example in humans the heart and lungs are asymmetrically arranged.
External symmetry can be seen by just looking at the organism.
Humans come into the category of bilateral symmetry.
Complete answer –
We can understand the importance of symmetry by the very fact that organisms are defined by this in various taxonomic groupings.
Various types of symmetry are –
Radial symmetry – It is a type of symmetry in which the organism is divided into two equal halves by passing a plane through the central axis. An animal which belongs to radial symmetry doesn’t really possess any left side and right side. This type of symmetry is mostly seen in phylums like ctenophora and cnidaria. As we say so we know that hydra is a cnidaria and so performs radial symmetry.
Bilateral symmetry – It is a type of symmetry in which the opposite sides are similar. The body in this type of symmetry gets divided into the identical left and right side. These organisms show a mirror image along the midline. However, this doesn’t mean that the internal organs are distributed symmetrically. Majority of the phylums possess this symmetry, including annelid, nematoda, arthropoda, chordate etc.
Asymmetry - In the absence of a particular kind of symmetry in organisms we call it asymmetry. This can be seen in simple phylums like porifera.
In hydra the symmetry is radial symmetry.
Note:
It is a notable fact that in many organisms the internal organs show asymmetry. For example in humans the heart and lungs are asymmetrically arranged.
External symmetry can be seen by just looking at the organism.
Humans come into the category of bilateral symmetry.
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