Earth’a temperature was too high for solid rock to form.
Inside of plants, there are xylem cells that carry water and minerals from the roots, to the leaves, when the food then gets dispersed to the rest of the plant. This is similar to the human circulatory system but there isn't a heart pumping blood around. Hope this helps :)
Didn't mean to post this. sorry!
The dodo was placed in the animalia kingdom because it corresponds to all the characteristics that define it as part of it.