You must make a Punnet square.
E E
E EE EE
e Ee Ee
(I can't make it, but this is what you fill in)
As you can see, there's two EE and two Ee. Each still has at least one dominant E, so all are dominant. Your answer is a 100% chance they'll have detached earlobes.
This question isn't really finished, but bacterium are unicellular prokaryote.
I hope this helps?.. :S
The way animals or creatures change and adapt over time
It occurs during Anaphase II, Telophase II, and Cytokinesis, when the sister chromatids separate so that there is 1 allele per gamete.
It will get lower since the pressure around the barometer gets lower