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Individual organisms are obviously rarely symmetrical themselves, so symmetry is referring to a perfect example of the species. There are 3 types of symmetry present in organisms.
The first is bilateral symmetry. This is probably the most common, and it is present in humans. It means that the organism can be cut in half and produce two equal sides in one and only one way.
The next is radial symmetry. Radial symmetry means that the animal can be cut in half and produce two equal sides in multiple directions, like a sand dollar or a sea star.
The last, which your question is about, is asymmetry. This mean the organism exhibits no symmetry at all. An example of this is something like a common sponge in the class demospongiae. Hope this helps!
Animals lacking symmetry are known as asymmetrical. This means they lack spherical, radial, and bilateral symmetry. Most commonly, this can be seen among sponges. (yes, sponges are animals :O )
All animals start out with some sort of symmetry but then some lose it as they develop into their adult form. One good example would be the oyster.
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What are two major divisions of the animal kingdom?
Two major divisions of the animal kingdom are invertebrates (animals without a backbone) and vertebrates (animals with a backbone). Another way to classify animals is by their symmetry, such as bilateral symmetry (divided into two mirror images) and radial symmetry (circular arrangement of body parts).
What are two main types of animal symmetry?
There are two main types of animal symmetry: bilateralsymmetry and radial symmetry. Bilateral symmetry is when you cut the object in half, it looks the same on both sides: Humans, cats, dogs, butterflies Radial symmetry is when it has body parts all around coming out of the middle: Sea Urchins, coral, sea anemones There are two main types of animal symmetry: bilateral symmetry and radial symmetry. Bilateral symmetry is when you cut the object in half, it looks the same on both sides: Humans, cats, dogs, butterflies Radial symmetry is when it has body parts all around coming out of the middle: Sea Urchins, coral, sea anemones
How many lines divide an animal with bilateral symmetry?
An animal with bilateral symmetry is divided by one line into two equal halves. This line is called the sagittal plane.
What does an animal that has distinct left and right sides show?
An animal that has distinct left and right sides exhibits bilateral symmetry, where the body can be divided into two roughly mirror image halves along a single plane. This symmetry allows for more efficient movement and coordination in the animal's activities.
What ocean animal has radial body symmetry?
A sea anemone is an ocean animal that has radial body symmetry. This means that its body parts are arranged around a central point, much like the spokes on a wheel.
