Once an egg is fertilized by a sperm, a zygote is formed. The zygote divides into multiple cells in a process known as cleavage, triggering the beginning of embryonic differentiation. ... Cells in these three layers will give rise to different parts of the organism. The endoderm eventually becomes the gut.Mar 3, 2011
A) 100% EEFF
b) 50% Ef, 50% ef
c) 100% ef
d) 25% Fe, 25% EF, 25% Ef, 25% ef
People starting to eat healthy
The finches adapted over time to better suit their environment that they were in -- the size and shape of their beaks changed as a result of natural selection.
Traditionally the unit was the kilo-calorie but commonly just referred to as calorie. today's SI unit is the Joule...