Evolution Of Metazoa

Question 1

What are protozons

Answer 1

Single celled animal like organisms

Question 2

Give 4 groups of protozons

Answer 2

Amoeba PHYLUM SARCODINA

Flagellates PHYLUM MASTIGOPHORA

Cillates PHYLUM CILIOPHORA

Sporozoans PHYLUM SPOROZ9A

Question 3

What do u a out Flagellates 📹📓😌

Answer 3

Uses flagellum for locomotory
Divided into 2 classes
Photomastigophora 🪴 like
E.g Euglena
Zoomastigophora 🦈 like
E.g Trychonyma spp, Trypanodomes
Can be solitary, colonial ,free living ,parasitic

Question 4

What do u know about Cillates

Answer 4

Have cilia hair like for movement

There are 2 types , motile(always beating,cilia(not moving)
E.g paramecium

Question 5

What do u know about Amorba

Answer 5

Has false feet called pseudopods ,important for locomotion and engulfing food

Uses phagocytosis for taking in food

Question 6

What do u know about sporozoa

Answer 6

They are parasitic
Use life cycle they unable to move
E.g plasmodium

Question 7

State 2 Reproduction of protozons

Answer 7

Sexual reproduction, especially Cillates
Conjugation

Question 8

What are the Evolutionary constraint of the cell,

Answer 8

Surface area to volume ratio
Nucleo cytoplasmic ratio
Fragility of cell membrane
Mechanical structures necessary to hold the cell together

Question 9

What is colonial organisms

Answer 9

Is a collection of unicellular organism living together for mutual benefit, meaning thd cells can survive on they own.