Well it’s pretty easy 7 - 15 is 8
Hi,
Answer: Same DNA
<u>My work:</u> When scientist refer to this they mean all organism such as plants, humans, and animals have the same DNA or otherwise the same Genectic Code.
I Hoped I Helped!
Answer:
Consider substances that can easily diffuse through the lipid bilayer of the cell membrane, such as the gases oxygen (O2) and CO2. O2 generally diffuses into cells because it is more concentrated outside of them, and CO2 typically diffuses out of cells because it is more concentrated inside of them.
Clues such as fossils such as bones, footprints, tar, etc, preserved underground helped inform scientists. You can also count how old a tree is when you cut it open and there are some alive for thousands of years so that is a possible way.
