Question

Write two important characteristics of:

(1) Mollusca

(2) Phanerogams

(3) Pteridophyta

(4) Bacteria

(5) Reptilia

(6) Protista

Answer 1

(1) Mollusca: unsegmented soft body covered in a shell, dorsal visceral mass with the organ system

(2) Phanerogams: flowering plants, reproductive body differentiated into root, stem and leaves, have vascular and reproductive tissue

(3) Pteridophyta: possess simple vascular tissue, reproduce asexually by spores

(4) Bacteria: unicellular, autrotrophic/heterotrophic, no distinct nucleus or cell organelle

(5) Reptilia: cold blooded, most have a three-chambered heart (except crocodiles), they are oviparous and respiration occurs through the lungs

(6) Protista : nucleus enclosed in nuclear membrane, cilia or flagella for locomotion