A. Biome
B. Ecosystem
C. Biosphere
D. None of these
🧠 Explanation:
An ecosystem is the structural and functional unit of the environment, balancing life. For biology students, this highlights ecology, making it a key topic for studying ecosystems, environmental science, and biology. Ecosystems sustain biodiversity. Understanding this ensures knowledge of ecological balance. It’s essential for analyzing biology, ecology, and environmental science. Studying ecosystems offers insights into how environments function, crucial for biology, environmental science, and ecology.
