Answer:
Infectious diseases are caused by pathogens, which include bacteria, fungi, protozoa, worms, viruses, and even infectious proteins called prions. Pathogens of all classes must have mechanisms for entering their host and for evading immediate destruction by the host immune system. Most bacteria are not pathogenic.
Explanation:
Answer:
<h3>The genes that caused scales to become feathers in the early ancestors of birds </h3>
1. receive information
2. process information
3. coordinate a response to information
The third one is the correct answer I hope this helped
The cell membrane, and probably the cytoplasme