Question

2. Five kingdom classification made the study of living organisms easy.
3. Bacteria are both harmful and useful.​

Answer 1

Answer:

1) Whittaker proposed an elaborate five kingdom classification – Monera, Protista, Fungi, Plantae and Animalia. The main criteria of the five kingdom classification were cell structure, body organization, mode of nutrition and reproduction, and phylogenetic relationships... They reproduce both asexually and sexually.

2)  Bacteria is harmful as well as useful to mankind Bacteria causes very harmful diseases and spoilage of foodstuffs but it is helpful in preparation of medicine and in agriculture. Penicillin the first antibiotic was from bacteria . It also helps in preparing curd from milk . In this way it is useful in many ways  And also harmful

Answer 2

Answer:

2 Bacteria ,fungi,protozoa,algae,viruses

3 Yes they are both helpful and harmful as some help in making food whereas some help in spoiling food

Explanation:

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