There is variation within the population, due to a mutation. The selection pressure is the drug. The microbes that have the advantageous gene which makes them resistant to the drug are selected for, and reproduce passing on the gene, increasing its allele frequency within the population over time. However, the microbes that do not have the advantageous gene, cannot survive and their number decreases within the popullation.
It takes seven seconds for the pupil to adapt once again to dark conditions after getting exposed to headlight glare.
The pupil of the eye refers to the black circle at the midpoint of the iris. The pupil functions mainly to monitor the amount of light getting inside the eyes, to make sure that to much light does not blanch out the visions in extremely bright light conditions, and to capture as much light as possible in dim light conditions.
Answer:
C. a population in Florida
Explanation:
Population is described as a group of interbreeding organisms of the same species living together in an area. Here, all the rattlesnakes can breed with each other which makes them a population of rattlesnakes. The report dealt with all the attributes of a population like breeding rate and average size. There are more attributes which can be considered in a population like birth rate, mortality rate etc.
A community is a group of organisms of different species which interact with each other and the surrounding environment. A biome is a collection of ecosystems which reside in a big area with similar environmental factors.
Answer:
There are three classes of Archaea are Methanogens, Halophils and Thermo acidophills
Explanation:
Methanogens : They produce methane gas a waste product of their digestion or process of making energy
Halophiles: They live in salty environments
Thermoacidophilles: They live in hot acidic terrestrial environments.They are Crenarchaeota belonging to the Acidilobales and the Sulfolobales.
