an organism is resistant to a chemical if it has a gene that protects it from the chemical.
A hammer is a lever, one of the six types of simple machines.
Answer:
To figure out what will and will not hurt the environment
Hope this helped!
The answer is; D
The simplicity of the prokaryote bacteria cells can depict the origin of life. It is simply composed of microscopic unit enclosed in a plasma membrane and cell wall. The inside contains a small DNA molecule, ribosomes and cytoplasm (they have no organelles). They have been around for 2 billion years on earth before other organisms evolved from them.