The greeks believed the Earth was stationary at the center of the universe while objects in the sky revolved around it. The Greek astronomers employed the term Asteres planetai meaning “wondering stars” for star like objects. By the 19th century the word planet thought it hadn’t been defined was the working term applied
Answer:
The populations of many species increase and decrease in a similar pattern as the alligator.
Explanation:
Since alligators in Florida are a keystone species, other species rely on it as well to keep everything in balance. Keystone species maintain structure, stability, and diversity in an ecosystem.
Evolutionary theory predicted that bacterial resistance would happen. Given time, heredity and variation, any living organisms including the bacteria will evolve when a selective pressure, in this case an antibiotic is introduced. However it also gives doctors an patient some specific strategies for delaying even more widespread evolution of antibiotic resistance; these strategies include; avoid mild doses of antibiotics over long time periods, don't use antibiotics to treat viral infections, when treating bacterial infection with antibiotics, take all the pills, and also using combination of drugs to treat a bacterial infection.
I don't know exactly what you mean but the size of a group affects its defense because there is a larger group. Therefore, more people would be protecting it, adding more to its defense.