Question

How are the roots of Rhizophora growing up swampy areas modified to obtain oxygen for respiration

Answer 1

in marshy areas pneumatophores(type of roots mainly found in marshlands or swamps)are developed which comes out of the soil for respiration.

thanks:-)

Answer 2

In some plants such as Rhizophora and Sonneratia (mangrove plant) growing in swampy areas near river mouths (saline marshy soil or halophytes), many roots come out of the ground and grow vertically upwards (negatively geotropic: against gravitational force). Such roots, called pneumatophores or breathing roots or respiratory roots, help to get oxygen for respiration.