Parrots and crocodiles have a similar jaw structure. Their jaws are made of five fused bones. Which statement is a possible reason for this similarity?
ОА.
Parrots and crocodiles share a common ancestor.
O B.
Parrots and crocodiles have identical skeletons.
OC.
Parrots and crocodiles have the same food preferences.
D.
Parrots and crocodiles eat in the same manner.

a

parrots ans crocodiles share a common ancestor

white blood cells or wbc s are mainly 2 types-

1.agranulocytes

2.granulocytes

the monocytes or macrophages of agranulocytes , dendritic cells which are accessory leucocytes, and b cells which is one type of lymphocytes   identify the antigens present on the pathogen's surface. these three cells are called antigen presenting cells(apc) which are phagocytes and destroy the antigens by secreting antitoxins. besides this leukocyte is always plays vital role in the immunity of the body.

lipid

explanation: