<span>Simply because cells need both these types of molecules for proper function.</span>
The correct option from given options is "b", that is <span> it changed ideas about which animals were closely related.
</span>Cladistics<span> was </span>invented for the purpose of improving on taxonomy and it is a way to deal with biological classification. DNA technology lead to more use of cladistics because it changed ideas about which animals were closely related and also it showed new evolutionary relationships between animals.
The most vocal reptile ARE THE CROCODILES.
Crocodiles use different types of calls, smells and water behavior to communicate with one another. Scientists have discovered that some species of crocodiles can pass across up to twenty messages using sound alone. The sounds made can be used to signify threat, distress or it can be used to attract others for courtship purpose. Crocodiles also communicate through smells and through water behaviors.
Biomass might literally mean a biological mass, but it actually denotes sources that are burned to produce energy. Biomass is considered a renewable energy source. The primary one that has been used for thousands of years is wood; it is still widespread in many primitive areas and it is burned in old and new burners. Biofuels like ethanol from crops is another important source that has been on a rise. They are cheap and they are used a lot in developing countries. Finally, the burning of municipal waste is another source and many Nordic countries use it to produce energy and even some import waste to use as fuel.