Most animals are symmetrical in their body plans, which doesn't necessarily mean that they are perfectly symmetrical.
Humans for instance, have two, you can place a mirror right in the middle of a person and it will produce an image of the corresponding side. Humans and most mammals are said to be bilateral (two sides).
Starfish for instance have more than two, they have radial symmetry.
Some members of the animal kingdom do not have any symmetry in their body plans. A good example would be the more primitive of animals, the Poryphera (sponges). Sponges are asymmetrical (do not have symmetry).
In terms of Biology, vertebrates have bilateral symmetry. These include mammals, fish, birds, reptiles and amphibians. Arthropods, e.g. insects, arachnids, caterpillars and worms, also have bilateral symmetry. Bilateral symmetry means they have symmetry across one plane (known as the sagittal plane, and directly down the centre of their body), which means one side of their body approximately mirrors the other side.
In geometry, or in building, any shape in which one side/half mirrors the other side has bilateral symmetry.
Porifera (sponges), and some Mullusca have secondary asymmetry.
A sponge has no body symmetry. It is therefore said to have "asymmetry".
yes sponges, oysters, slime-molds,
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SPONGES
Sponges
Bilateral Symmetry - Right down an animal (Worm or fish)Radial Symmetry - Symmetry like a circle (E.g - Starfish)Asymmetrical - No symmetry
Another term for asymmetrical balance is: - informal balance
Asymmetrical communications
yes
This is called bilateral symmetry. Bilateral symmetry means an organism has symmetry across one plane (known as the sagittal plane, and directly down the centre of their body), which means one side of their body approximately mirrors the other side. This is seen in all vertebrates, and many invertebrates such as arthropods.
When it has no symmetry the object is called asymmetrical.
No, earthworms have bilateral symmetry.
Asymmetry is the lack of symmetry.
A sponge has no symmetry, and is therefore asymmetrical.
no, it is asymmetrical
Asymmetrical.