Question

1. Give one reason for each of the following characters:
(a) Birds have streamlined body.
(b) Frogs possess web in hind legs.
(c) Fishes have paired fins.
(d) Snakes lack limbs.
(e) Porifers have perforated bodywall.
(Lizards have clawed pentadactyle limbs.





Tell me fast Please​

Answer 1

1. so as to reduce The air resistance during fly.
2. when The frog pulls The leg back to his body The webbing closes The streamlining The foot movement Through the water back to position and it also them in leaping.
3. produce Thrust to steer in water , helps to swim , helps to control Their motion.
4. studies shows that snakes neither from land burrowing animals ñor lizard .a slender body Without legs May conferred additional advantage like ease of movement in water
5. they help to convey water into an internal canal system lined with flagellated collar cell