Question

a) How does the embryonic development point to the common ancestry of all animals. 6 b) ln tabular form name the causative organism of filariasis and mention its three symptoms.

Answer 1

Explanation:

a) Embryology supports the theory that organisms have a common ancestor (in accordance to theory of evolution). The theory of evolution explains that not every feature of an ancestor's embryo is shown in its descendants. That explains why embryos develop into different species over time.