The study of living things and the surrounding abiotic environment is known as ecology geology evolution sociology

The study of living things and the surrounding abiotic environment is known as ecology.

the answer is a or when it says crossing over

lysosomes contain a variety of enzymes, enabling the cell to break down various biomolecules it engulfs, including peptides, nucleic acids, carbohydrates, and lipids (lysosomal lipase). the enzymes responsible for this hydrolysis require an acidic environment for optimal activity. hope i !