The structure that is common in the embryos of mammals, a...
The structure that is common in the embryos of mammals, amphibians, birds, fishes, and reptiles and which is an evidence of their common ancestry is the
eye
chorion
allantois
gill-slits
Correct answer is D
No explanation has been provided for this answer.
Which of the following instruments is used to estimate the number of plants in a habitat? ...
Which of the following is a biotic factor that affects population? ...
Which of the following methods is used in food preservation for a long period? ...
Which of the following does NOT influence plant growth? ...
Which of the following characteristic features is not associated with monocotyledonous plants? ...
Which of these is NOT an excretory organ/organelle? ...
A population is defined as a collection of similar organism that ...