Which of the following are signs of Chemical Change (pick all that apply) Color Change
Gas Formation
Solid Formation
Liquid Formation
Energy Change

Ablastocyst is a group of cells that forms after a human egg is fertilized. the blastocyst consists of two types of cells. some of these cells will become the placenta. what do the other cells develop into?

In general, are there any major differences that you can see? explain

Archaebacteria use for movement. celia flagella pili cell walls