write some characteristics of phylum - protozoa with examples
Answers
Answer:
1. unicellular mostly aquatic animals
2. solitary or colonial , free living or parasite or symbiotic
3. body naked or covered by pellicle or hard shells .
4. body shape may be irregular, spherical , oval ,elongated or flattened
5. cytoplasm differentiated into outer ectoplasm and inner endoplasm.
6. uninucleate , binucleate or multinucleate .
7. nutrition is mostly heterotrophic.
8. locomotion using finger like pseudopodia , flagella or cilia.
eg : euglena , amoeba , plasmodium, paramecium , ephelota
Answer:
Protos-first zoon-animal
Microscopic primitive
Acellular or unicellular
Solitary, free living, parasitic
Naked and pellicle
Symmetry radial, bilateral, asymmetrical
Shape oval, circle, elongated
Cytoplasm ecto and endo
Excretory ammonia
Reproduction asexual and sexual
Alternation of generation