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Answer/Explanation: Alleles are different forms of genes. Each gene has two alleles. One allele is inherited from a mother and one allele is inherited from a father. So, for each gene, offspring will receive two alleles, each one from each parent.
A.) To taste food
Explanation:
The function of the structure in animals is to taste food.
The mouth is made up several taste buds that helps it to decipher the flavor and taste of food.
For most organisms, digestive processes starts in the mouth.
When food is taken in, it is usually masticated and some compounds are released.
Tongue has different taste zones that gets activated by chemical compounds in the food and its helps to place tastes.
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Answer:
Electron shells
Explanation:
Electron shells surround the nucleus of an atom. Each shell has its own energy level, meaning it can contain a specific number of electrons at any given time.
The light intensity decreases with increasing depth of the ocean water. This leads to the division of the ocean into three major zones, sunlight zone, twilight zone, and deep sea zone. The autotrophs like the phytoplankton live in the sunlight zone and perform photosynthesis using sunlight. Various fishes that eat planktons also live in the sunlight zone. The twilight zone is inhabited by various predators like the octopus, sharks and dolphins. Here the pressure of water also is greater. In the deep sea zone, no light is present. Fishes like the angler fish and other bio-luminescent organisms live here. This zone also contains chemotrophs as the producer of food. The pressure of water at this zone is the greatest which is not bearable by the organisms living above it. Thus in this manner light and depth determine the distribution of various organisms in the ocean.