It is true that it is possible for a population to not evolve for a while.
There is something called the Hardy-Weinberg theorem, which characterizes the distributions of genotype frequencies in populations that are not evolving.
There are 5 Hardy-Weinberg assumptions:
- no mutation
- random mating
- no gene flow
- infinite population size
- and no selection (natural nor forced).
You can see that some of these are kinda extreme and really hard to get, but with approximations, we can work.
For example, instead of an "infinite population size" we have enough with a really large population, such that genetic drift is negligible.
Concluding, yes, it is possible (but really difficult) for a population to not evolve for a while (at least, in nature), as long as the 5 assumptions above are met.
If you want to learn more, you can read:
brainly.com/question/19431143
Answer:
myositis is an autoimmune disorder of muscles.
Ethylene
Ethylene is a hydrocarbon chemical emitted from most
fruits that promotes ripening. When fruits are bunched together this
creates more ethylene and thus ripens each fruit faster. The more fruits
are bunched together, the more ethylene is produced and the faster all
the fruits ripen - this is why sometimes the fruits at the bottom of a
carton are much riper than at the top, because they are soaked in
ethylene.
Bar graphs are used to compare things between different groups or to track changes over time.
