Crystals in the metamorphic rock align parallel due to the direction of the applied force, during rock formation. These crystals are Muscovites, Micas, and Amphiboles etc. So, the correct answer to your question is C. And, metamorphic rocks from due to change in texture and mineral assembly, due to the pressure itself.
You need to give context to this question..... or a picture.....
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.
Hair follicles is the hair coming out of the subcutaneous layer