Answer:
Organisms of all classes are matched as follows-
Step-by-step explanation:
Insects- Insects are a group in phylum arthropoda. They are having 6 legs and their body is devided into 3 parts- head thorax and abdomen.
Mollusca- Second largest phylum of invertebrates. These are mostly marine some live on land also. They have soft body with hard calcium carbonate shell known as mantle.
Bryophyta- These are nonvascular plants. They dont have vascular system.They don't produce flowers or pollen. They reproduce by spores. Example- mosses
Aves- This is class of birds. Their charactersticks are beaks, toothless jaws,feathers and laying eggs.
Mammalia- These are vertebrates animals class. They give birth to their young ones, female are having well developed mammary glands to produce milk for young ones.
Arachnida- This is a class of invertebrates. It includes scorpion, spider. They are 8 legged creatures. Body has two parts.