Many rickettsia are PATHOGENS.
Pathogens are micro organism that cause diseases and rickettsia are majorly disease causing organisms. They are rod shaped bacteria and most species are gram negative. They are natural parasite of some arthropods and they cause diseases in both humans and animals.
<span>If inscribed intercepts arc, then = half the measure of arc = 60º.
The answer is </span><span>60º.</span>
A. there is a change in Genetic frequency
Answer:
Animals are made up of eukaryotic cells, meaning they have a nucleus which contains the DNA. :)
Answer:
Wheezing happens when the airways are tightened, blocked, or inflamed, making a person's breathing sound like whistling or squeaking. Common causes include a cold, asthma, allergies, or more serious conditions, such as chronic obstructive pulmonary disease (COPD).
Explanation: