Puffballs. Puffballs are pear shaped fungus that contain spores....
puffball
The fruiting body grows above ground.
A toadstool
Sex organ (or fruiting body) of a fungus.
Connective tissue contains specialized cells, extracellular protein fibers, ground substance (fluid) and matrix. Matrix is protein fibers and ground substance combined and it surrounds the specialized cells.
puffball
watermelon
out of ground like a watermelon they need sun on the fruit sweetness
ground
Truffles.
A mushroom?
If you ate a watermelon outdoors and dropped some seeds a watermelon could grow if in the right conditions.
Like all other plants' root the function of watermelon root is absorption and anchorage. Watermelon plants have week stem hence these are creepers on the ground.
The fruiting body grows above ground.
on the ground
No
Fungus like Mushrooms sprout out of the ground and need water to grow and you can eat some kinds of Mushroom but it is a Fungus not a Plant