Cephalization is the differentiation of end part of the body into a head in which nerve tissue is concentrated. Sponges have a very loose nervous system and their cells work individually, not controlled by a nervous system. Since they have no defined head as a consequence of concentrated nervous system, the sponges could not have cephalization either.
Another name for fats and oils is triglyceride or c. lipids
Trilobites are found worldwide and evolved rapidly, making them easily distinguishable from trilobites of other time periods
Doppler effect and redshift as the light coming from stars from the distance can be shifted in the same way as a pitch of sound does
I got D, C, A, B, C, B, D, C.
C (proteins) instead of D (nucleic acids) because if you look at a nucleic acid structure, you'll see that sulfur is not found in it. Sulfur is found in two amino acids (methionine and cysteine), which means it could be found in proteins since amino acids build proteins
