Answer: Maximum population size an environment can sustainably support.
- A The maximum possible growth rate achievable by a population
- B Maximum population size an environment can sustainably support
- C The minimum population size needed for long-term viability
- D The combined total biomass of every species in an area
Correct answer: B. Maximum population size an environment can sustainably support
Explanation: Carrying capacity (K): maximum population size that a given environment can sustainably support, given available resources.
Energy pyramid showing a simple food chain (producer to herbivore to carnivore) with energy decreasing roughly tenfold at each trophic level.
Concept context
Ecosystems, food chains, energy flow, nutrient cycles, biodiversity, and conservation.