Question: Answer the following question given this paragraph: Ecology is the study of how living things interact with each other and with their environment. It is a major branch of biology, but has areas of overlap with geography, geology, climatology, and other sciences. The study of ecology begins with two fundamental concepts in ecology: the ecosystem and their organisms. Q: Ecology is a major branch of what higher-level "classification" of science? Choices: - chemistry - physics - geology - biology A:
Answer:
biology