Orchids do, they grow in a type of a fur barks but some roots do grow out and on top of the barks but mostly the roots are under, in the bark. There are some air ferns that grow out in the air without soil or anything. They need only misting with water daily.
a penis grows downwards when the young male growsup
Plant Biology
what is the problem statement
It depends on what type the plant is, The roots will start to grow just a little before the stem comes up. or The embryo or the shoot will came first then the roots.
Carrots
The orchid.
Beechdrops is a parasitic plant which grows on the roots of beech trees.
The shoot of a plant grows towards light and the roots away from light
When air goes into the stomato, it stretches the roots. Therefore, the plant grows.
sap
A nitrogen fixing bacterium Rhizobium enters roots of pea plant and grows to form root nodules . Mycorrhizal fungi also grow on roots of pea palnt.
The roots offer support to the plant; before it grows up it has to grow down so that it doesn't topple over. The roots also take in vital nutrients, minerals, and water from the soil.