"while you and your friend are walking through a natural history museum, she points out the skull of an australopithecine with a large crest on the top and asks you what its purpose was. how might you correctly sum up this complicated evolutionary trait for your friend?

Match the digestive enzymes to the macro molecules they to digest. down fats into glycerol and fatty acids down carbohydrates into simple sugars down nucleic acids into nitrogenous bases and simple sugars down proteins into amino acids

Hey me with this one❤❤❤❤ every organism needs food. does a cell also need it? explain very briefly.

Which statement best describes the relationship between an allele and a gene? question 1 options: an allele is a variation of a gene that can be expressed as a phenotype. an allele is the part of a gene that attaches to messenger rna molecules. an allele is a segment of a dna molecule that controls replication of a gene.