Answer:
I would say the most logical answer would be DNA base sequences
skeletal remains.
Explanation:
Answer:
Viruses have the characteristic to multiply when they enter a living cell. But, they actually cannot reproduce.
It can be from how they are feeling the germs keep building up
Answer:
Imagine that to be able to roll your tongue you need two genes, A and B. For each of There is a certain dominant version for each of these genes that lets you roll your tongue. cannot roll their tongue would have a tongue roller for a child. Another example is something called a modifier gene
Although your heart is one organ, it acts as a double (2; twice) pump.
FIRST "PUMP":
The first pump carries blood with a lack of oxygen to your lungs to get rid of carbon dioxide and get more oxygen. After that, the blood is carried back to your heart.
SECOND "PUMP":
The second pump delivers the blood with that has enough oxygen throughout your body.