Lungs and gills
Specify some of the differences between lungs and gills?
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Lungs and gills are richly vascularised organs which perform the function of gas exchange between environment and circulatory system. Lungs differentiate from gills in a way that they are saclike structures internal to the organism and specialized in the process of gas exchange in the terrestrial environment. Branchiae, are internal or external laminar structures which are in direct contact with water and specialized in the gas exchange in aquatic environment.
Name the cellular structure to which mRNA molecules join to begin the protein synthesis?
Stimuli that contrast with the surrounding environment are more likely to be attention catching than the stimuli that blend in. a contrasting effect can be caused by color/size or any other factor that is unusual. The contrast principle states that external stimuli that stand out against the back
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