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:
All animals went through 23 Carnegie stages
All the animals are vertebrates
Explanation:
The lines of all reached the end of 23.
Carnegie stages are used only for vertebrate embryos,
Cell theory:
•All cells come from pre-existing cells
•All living orginisms are made up of 1 or more cells
•The cell is the basic unit of life
Cell theory development:
•Leeuwenhoek
•Hooke
•Schleiden
•Virchow
•Schwann
I believe these are the correct answers
Answer:
Immunodeficiency disorders prevent your body from fighting infections and diseases. This type of disorder makes it easier for you to catch viruses and bacterial infections. Immunodeficiency disorders are either congenital or acquired. A congenital, or primary, disorder is one you were born with. whereas Opportunistic infections (OIs) are infections that occur more frequently and are more severe in people with weakened immune systems, including people with HIV. Many OIs are considered AIDS-defining conditions.
hope it helps please mark me br-
well you know what i mean : )
Explanation:
Scientific drawing is made-up to be precise and founded on real living things or fossils. Artistic drawings do not have to have any origin in realism and it can be abstract and it does not have to tolerate any similarity to any real life object. Artistic drawings are not unavoidably meant to be a faithful reproduction of anything in nature even though that was once the aim in the distant past before the invention of photography. Constructing good biological drawings be situated significant in that they aid to develop more accustomed with the topic over vigilant consideration to the smallest feature. Drawings allow to progress observational skills which is the principle of good science. Good drawings are those that abridge, highlight, review, and explain all at once. For these explanations, consideration to the smallest feature is precise significant. Biological drawings are not destined to be artistic masterpieces but are more like graphic notes that help record a set of observations. As such, these observations must be accomplished in class with the specimen directly observable.
