Question

Write the main characteristics of phylum porifera and aves give one ex of each with its digram

Answer 1

Characteristics of phylum porifera is as shown below:

1. Their body fully pores filled through which they do circulation.

2. They cannot stand ownself on a surface as they need some solid

support for standing.

Characteristics of aves are as shown below:

1. Their forelimbs are modified for flying.

2. They have 4 chambered heart.

3. Their body is covered with feathers.

eg of porifera:spongilla

eg of aves:crow

Answer 2

see the attachment for answer