Comparative morphology
compares the embryo development of organisms of different species
compares the anatomy of organisms of different species
organizes fossils into a timeline of organism evolution
analyses the similarities and differences between organisms of the same species

The correct answer is -

compares the anatomy of organisms of different species.

Explanation:

Comparative morphology can be described as the study of various structural patterns within the body of organisms belonging to different species. It also compares the anatomy of organisms of different species so as to find out the differences as well as similarities between different organisms.

In this way, it considered as the basis for taxonomical categorization of organisms.

Thus, option second is the right answer.

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.

cuz he's blad

explanation: