What is symmetrical and asymmetrical balance in art?
Symmetrical balance (or Symmetry) means that the work of art is the same on one side as the other, a mirror image of itself, onboth sides of a center line. Asymmetrical balance (or Asymmetry) means that the two halves of the work of art are different, however, try to create balance.
What is the definition of symmetrical balance?
Symmetrical balance. Symmetrical balance occurs when equal weights are on equal sides of a composition, balanced around a fulcrum or axis in the center. Symmetrical balance evokes feelings of formality (it’s sometimes called formal balance) and elegance.
What does the word symmetrical mean?
English Language Learners Definition of symmetrical : having sides or halves that are the same : having or showing symmetry. See the full definition for symmetrical in the English Language Learners Dictionary. symmetrical. adjective.
What are the 2 functions of the mantle of mollusks?
The mantle is an outgrowth of the body surface that drapes over the animal. The mantle produces the shell in mollusks such as clams and snails. The mantle also functions in respiration, waste disposal, and sensory reception. In addition, the mantle is related to another distinctive feature, the mantle cavity.
What are two things that the mantle is for?
It forms the outer wall of the mollusk’s body. The mantle encloses the mollusk’s visceral mass, which is its internal organs, including the heart, stomach, intestines, and gonads. The mantle is muscular, and many species have modified it to use for siphoning water for feeding and propulsion.
What is the function of the mantle in mollusks?
The mantle cavity functions as a respiratory chamber in most molluscs. In bivalves it is usually part of the feeding structure. In some molluscs the mantle cavity is a brood chamber, and in cephalopods and some bivalves such as scallops, it is a locomotory organ. The mantle is highly muscular.
What are the two main parts in all mollusks?
Most mollusk have two organs that are unique to this phylum: a specialized feeding organ called a radula and a dorsal layer of tissue called a mantle. Mollusks are the first animals to have evolved organ systems for respiration and circulation.
What body parts do all mollusks have?
The four important body parts in the mollusk could be listed as: Shell, Mantle, Visceral Mass and Foot.
What type of body do mollusks have?
Molluscs are a clade of organisms that all have soft bodies which typically have a “head” and a “foot” region. Often their bodies are covered by a hard exoskeleton, as in the shells of snails and clams or the plates of chitons.
What structures do all mollusks have in common?
WHAT FEATURES DO MOLLUSKS HAVE IN COMMON? As well as a shell, most mollusks have a muscular foot for creeping or burrowing. Some also have a head with sense organs. The soft body includes lungs or gills for breathing, and digestive and reproductive parts, all enclosed by a skinlike organ called the mantle.