Answer:
the roots are weak
Explanation:
because it can’t hold its weight
Answer:the possession of feathers
Explanation:birds are warm blooded animals , that possess feathers.these feathers cover their bodies and used for flight and warmth.their forelimbs are modified into wings,which fold into a Z shape at rest.feathers grow from the skin follicles and are replaced by scales on their legs.they possess oil gland to dress the feathers.
Other features of birds include
1) beaks with no teeth
2) fully ossified bones with air cavities
3)females with left ovary and oviducts only
ANSWER:
I think it is the first one
Explanation:
Speciation is the process in which new species are created through evolution. I might be wrong though.
the evolutionary process through which new species emerge
