Asexual requires one parent, which produces genetically identical offspring, however sexual reproduction requires two parents, and there is a varied genes
The inside surface area is shaped in a crescent. It consists of a spiral valve which is made up of the small intestine. Although the dogfish shark has a relatively short small intestine compared to other animals, therefore, the spiral valve allows for a more compact form of the small intestine.
Hence, this structure provides maximum surface area over a relatively short distance in order to make the absorption of nutrients efficient achieved from the food, the sharks had from eating different sea animals.
Blood needs to flow faster around the body in order to supply the muscles with oxygen for respiration
Answer:
The reactants for photosynthesis are light energy, water, carbon dioxide and chlorophyll, while the products are glucose (sugar), oxygen and water.
Explanation:
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Sunlight is the original source of almost all energy in most ecosystem.