Examine the statements below and choose the correct answer:
 
1.
Assertion (A): In submerged hydrophytes, there is presence of long leaf stalks.
Reasoning (R): Long petiole enables the leaves to move up and down in response to changes in water level.
 
2.
Assertion (A): Earthworms have a streamlined body.
Reasoning (R): Streamlined body is used to help it live in narrow, underground burrows.