Condensation and transpiration
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An operculum covers and protects the gills.
Explanation:
An operculum is a flexible bony type of plate which protects the sensitive gills. When water is inhaled through the mouth it moves over the gills and is exhaled from below the operculum ( gill cover). gills remove oxygen that is present in the water and diffuse carbon dioxide from fish's body. Some fishes have spines which are located on the opiculum( gill cover) which acts as a defense mechanism to secure them from the predators.
Carbohydrates are composed of monomers or repeating subunits of simple sugars or monosaccharides, such as glucose, galactose etc.
Answer:
disruptive selection
Explanation:
Disruptive selection is the natural selection that favors two extreme phenotypes but does not favor the intermediate phenotype. Here, the survival and reproductive success of two extreme phenotypes are higher than that of the intermediate phenotype due to their higher fitness value in the prevailing conditions. The presence of deeper voices in males and less deep voices in females due to high and low levels of testosterone respectively represents the disruptive selection as the phenotype present at two extreme ends are favored.
Answer:
The mass of an object is a measure of the object's inertial property, or the amount of matter it contains. The weight of an object is a measure of the force exerted on the object by gravity, or the force needed to support it. The pull of gravity on the earth gives an object a downward acceleration of about 9.8 m/s2.
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