Write a common feature between the following.

(i) Xylem and phloem

(ii) Haemoglobin and chlorophyll

i) Xylem and phloem

Xylem and phloem are the conducting tubes present in the plant which are responsible for the transportation of different materials required by the plant body.

ii) Haemoglobin and chlorophyll

Both of them are the colored pigments just present in different organisms. Haemoglobin is present in animals whereas chlorophyll is present in plants.