Write the types of following in mammals

Write the types of following in mammals
(i) Kidneys (ii) Fertilisation (iii) RBCs
(iv) Brain (v) Parental care (vi) Sexual dimorphism

(i) Kidneys Metanephric
(ii) Fertilisation Internal
(iii) RBCs Small, circular and non-nucleated
(iv) Brain Highly developed
(v) Parental care Well developed
(vi) Sexual dimorphism Well marked