These bacillus thuringensis species of bacteria secrete protein crystals that
are toxic to most insects hence used in agriculture to kill pests that attack
the crops. This is also the reason the genes responsible for this protein
crystal is incorporated in crops (transgenic crops) to make them resistant to
pests.
B. subtilis is important in the nutrient cycle and availing nutrient to plants hence promote plant growth
Both species are able to survive harsh conditions and remain dormant for long periods of time as spores hence their suitability in application in agriculture
Base on the given symptom and observance from the sixteen year
old, she has a deficiency of the vitamin b12 in which she could acquire from
meat products. She has a deficiency of this vitamin because she has not been
taking up meat products as she became a vegetarian.