there are many harmful activities of bacteria:-
1.causes diseases in humans.
2.causes diseases in animals.
3.causes diseses in plants.
4.spoilage of food-if food is not cooked properly,then
microorganisms will grow &produces toxic substances,that
results in food spoilage.eg.salmonella
5.food poisoning-health peoblems caused due to the intake
of spoiled food.
Write a floral formula for a flower which has 5 united
sepals; a zygomorphic corolla of 5 petals-one large one,
two small ones, and two that are united; 9 stamens united
by their filaments and one free; and one superior carpel.