Table of Contents
What does bilateral look like?
Bilateral symmetry involves the division of the animal through a sagittal plane, resulting in two mirror-image, right and left halves, such as those of a butterfly, crab, or human body. Animals with bilateral symmetry have a “head” and “tail” (anterior vs. posterior), front and back (dorsal vs.
What is an example of a symmetrical organism?
An organism that is symmetrical (showing symmetry) would have a balanced distribution of duplicate parts on each side of the axis. Biradial symmetry is a combination of radial and bilateral symmetries. An example is that of ctenophores (comb jellies).
Are sponges radial or bilateral?
Sponges are unsymmetrical or radially symmetrical, with many cell types but no distinct tissues; their bodies contain numerous pores and sharp protective spicules. Coelenterates (phylum Cnidaria) are radially symmetrical, with two tissue layers (ectoderm and endoderm) surrounding an all-purpose gastrovascular cavity.
Are flowers bilateral?
angiosperms. …is different, the flower has bilateral symmetry and is called irregular or zygomorphic (e.g., violets, Viola; Violaceae).
Is a Butterfly radial or bilateral?
Take a look at a monarch butterfly. Notice how the wings are identical but opposite; they are an example of bilateral symmetry. Other animals also have bilateral symmetry — humans, dogs, cats, elephants. Some animals have what is called radial symmetry — body parts arranged around a center point.
Do butterflies have bilateral symmetry?
Butterflies and moths are great examples of creatures that show bilateral symmetry. They have a single line of symmetry down the middle of their body, meaning the patterns on their wings are the same on both sides.
Are worms radial or bilateral?
Worms are the first significant group of animals with bilateral symmetry, meaning that the right side of their bodies is a mirror of the left. One type of worm is the flatworm. Worms in the phylum Platyhelminthes are called flatworms because they have flattened bodies.
What is the meaning of bilateral in medical terms?
Medical Definition of bilateral 1 : of, relating to, or affecting the right and left sides of the body or the right and left members of paired organs bilateral nephrectomy bilateral tumors of the adrenal glands 2 : having bilateral symmetry Other Words from bilateral
What does bilateral mean in international relations?
Since the prefix bi- means “two” in Latin, bilateral means essentially “two-sided”. In the days when there were two superpowers, the U.S. and the Soviet Union regularly engaged in bilateral arms negotiations; such negotiations are much less common today. Sometimes bilateral refers to two sides of the same thing.
What is the meaning of bilateral arms negotiations?
Since the prefix bi- means “two” in Latin, bilateral means essentially “two-sided”. In the days when there were two superpowers, the U.S. and the Soviet Union regularly engaged in bilateral arms negotiations; such negotiations are much less common today.
What is a bilateral nephrectomy?
Definition of bilateral. a : of, relating to, or affecting the right and left sides of the body or the right and left members of paired organs bilateral nephrectomy.