Given the question: You are presented with the question "Biomass is the total mass of what at a trophic level?" and the following answer choices: - Plants growth - peachleaf willow - Conifers - animals - living things - Most plants - all matter - insects Now knowing that biomass is the total mass of organisms at a trophic level and an organism is a living thing, choose the best answer.
The answer is:
living things