It could be limited by changing the conditions e.g.) temperature, because most bacteria grows the fastest at warm temperatures. so by making the conditions extremely cold or extremely hot, it will limit how much bacteria can grow. however, bacteria can still infinitely grow, and limiting it only means it is growing less or slower.
Sensory neuron that carried a sensation into the CNS is a first order neuron.
All 500 of the offspring will have the dominant (G) allele, so all 500 will be green.
The option that is not applicable here is the last option: Assortive Mating. Have in mind that the hardy weinberg Equiibrium needs stable genome ans a certain absence of natural selection but here is not applicable the last option