Maybe immune system and respiratory system
Answer:
The percentage of carbon dioxide in the air is 0.04%
Answer:
they have in common is fats
Answer:
Option D
Explanation:
Bits of DNA that are interspersed among these repeated sequences are called spacers. Regarding to bacteria, the spacers are taken from viruses that previously attacked the organism. They serve as a bank of memories, which enables bacteria to recognize the viruses and fight against future attacks.
no but they have fins but ig thats wings to some people