[Solved] Darwin lacked an accurate understanding of: A)inheritance B)variability of populations C)population growth D)differential survival rates Excision: The surgical removal of a foreign body or of tissue. Microscopic Examination: The detailed analysis of tiny objects or structures using a microscope to observe features not visible to the naked eye. Cryosurgery: A surgical technique that uses extreme cold, often liquid nitrogen, to destroy abnormal or diseased tissue, including skin lesions. Cold Temperatures: Environmental conditions that exhibit a low degree of warmth, often resulting in the need for thermal protection or adaptation.