Question

Under the newer classification system based on nucleotide sequences and cellular structures visible with electron microscopy, the traditional kingdom __________ has been replaced by several different kingdoms.

Answer 1

Protozoa

Explanation:

• Organism which are single celled is known as Protozoa.

• Protozoa has different shapes and sizes. For example: Amoeba changes its shape.

• Paramaecium which has fixed shape.
• They live in moist habitats and it includes soil, marine environments, fresh water.
• Some protozoans are parasitic, it means that they live in other animals, plants and humans.
• Protozoans which are parasitic causes Diseases. For example Protozoans, such as Plasmodium causes Malaria.