Biology is the study of life and living organisms, and the crossword solutions for this term provide insight into some of its key concepts. Adnate is a six-letter word meaning 'fused or joined together, ' which is often used to describe the attachment of organs to other parts of the body. PHYLA is a five-letter word referring to the major taxonomic groups of animals, plants, fungi, and microorganisms. AMOEBA is a six-letter word referring to a single-celled organism that moves by changing its shape. GENERA is a six-letter word referring to a group of related species within a family. Finally, ethno is a five-letter word referring to a group of people sharing a common culture, language, and history.