Answer:
D
Explanation:
Giant Tube worms are the primary source
Answer:
Right handed,right handed,positive,left handed, negative,negative
Explanation:
In a circular bacterial chromosome the structure of DNA is a right handed double helix.
if DNA is twisted in the right handed direction,it becomes overwound. overwinding results in positive supercoiling.
If the DNA is twisted in the left handed direction it becomes underwound. Underwinding result negative supercoiling.
one effect of negative supercoiling in bacterial chromosome is to promote separation of the two strands of DNA in the double helix.
Overproduction is a natural phenomenon in which the number of produced offspring is higher than the number of individuals the ecosystem can sustain. Thus, competition for limited resources occurs.
Because of the genetic variation, the organisms within a population have different chances to reproduce. Most often, some organisms have a lower reproductive success than others do.
The number of individuals with a high reproductive success is rather low as few males are very successful at passing on their genetic material.
The number of organisms with no reproductive success is also very low, as these "ill adapted" individuals will disappear from the population extremely quickly.
Genetic variation is the amount of differences between individuals. Thus, no organism taken by itself has any genetic variation.
This relationship would be called parasitism. Its when one individual lives on or in and feeds on a host organism.
Population decrease and extinction
