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Introduction. Bacteria are microorganisms that grow everywhere. We can collect and grow them in specially prepared petri dishes. Blood agar or tryptic soy agar with 5% sheep's blood is an excellent medium for supplying bacteria with nutrients and an environment in which we can see them grow.
Spinach. Spinach growing in the garden is a welcome sign of spring. It is a source of Vitamin A. It is rich in iron, calcium and protein. Spinach can be grown as a spring and a fall crop.Crinkled leaved varieties tend to catch soil during rainfalls.pinach. Spinach growing in the garden is a welcome sign of spring. It is a source of Vitamin A. It is rich in iron, calcium and protein. Spinach can be grown as a spring and a fall crop. Crinkled leaved varieties tend to catch soil during rainfalls. Plant a plain leaved variety to avoid a gritty spinach when chewed.