The answer is D, for when one tropic level is eaten by the tropic level above it, the tropic level is supporting the higher one. I. E. Rabbits are supported by the grass because rabbits eat the grass. Also, the grass population would be larger than rabbits, the rabbits larger than snakes, so on and so forth, so B is ruled out. B states that each population is larger than the one BEFORE it, but there is no way there would be more rabbits than grass. Also, there are both herbivores and carnivores in the food chain, so A and C are out. The best answer is D.
Particle size of soil and aeration capacity play important roles in plant growth
Answer: B:Put water, fertilizer, soil, plants and insects in an open, clear glass aquarium. Place it in an area that has some sunlight
and some shade
Explanation: Alright lets analyz and simplify. First you need water of course for anything to live right. the soil and fertilizer for the plant is good because plants are autotrophs which mean through photosynthesis they can make their own food. The insectsm are heterotrophs which will help with overpopulation of plants and the sunlight and shade will allow for a balance of temperature.