Date post: | 29-Jun-2015 |
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COURSE I FIRST SEMESTER
PHYLUM PROTOZOA(UNICELLULAR AND MOST PRIMITIVE ANIMALS)These are the most primitive organisms
(Protos = first; zoon = animal).
These are aquatic, microscopic, unicellular organisms.
Prof. S D Rathod
Class- Rhizopoda/ Sarcodina
Pseudopodia locomotory organelle Nucleus is single Example - Amoeba
Amoeba
Amoeba is fresh water form found in ponds and lakes.
They are asymmetric in shape. Amoeba has pseudopodia for
locomotion and feeding. Body consists of a single biconvex
nucleus, ectoplasm, endoplasm, contractile vacuole and food vacuole.
Class- Flagellata/ Mastigophora
Locomotory organelles ribbon like flagella
Nucleus is single and spherical cytoplasm contains photosynthetic
pigments Example – Euglena
Class- Sporozoa
Locomotory organelles are absent They are endoparasitic Example of Class – Sporozoa is
Plasmodium
Class- Ciliophora
Locomotory organelles are several hair-like cilia
Large meganucleus and a small micronucleus
Climbing Perch Migration
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