Which of the following statements about natural selection is not true?a. Different traits are more favorable in different environments.b. Natural selection can lead...

Which of these statements about a natural principle that points to the inevitability of natural selection is false?
a. Most characteristics of organisms are inherited.
b. Offspring vary among each other in regard to their characteristics.
c. Some generations of offspring do not need to compete for resources.
d. Certain traits will be better represented in the next generation

This question is asking the source off aberration. So the automated source off off variation is mutation. Mutation is mia Could ablution is caused by the accumulation off mutations that occur over time. So the answer for this question is auction, eh?

Hello, everyone. I hope all is well. And today I will be helping you with the 14th problem of the chapter 18 problem set. And this question is asking which statement best describes the relationship between genetic variation and speciation. So, um, we're just gonna go through this and we're gonna compare him, and we're going to see which one is the best answer. So we have a without genetic variation. Speciation would occur more slowly. Okay, well, let's just think about it this way. So without genetic variation, so genetic variation is basically my house. So if you have my oh, sis, right, And you would get, um no. Well, genetic variation essentially is like this. So you're gonna have these and then you're gonna go through my house is too, and you're gonna end up with a wheels like that. You're gonna have awesome sperm or egg that look like this, But let's do a sexual reproduction. So it's binary fission, and they're gonna be the same exact stuff. So say this is the defining factor defining factor there at the same exact thing. So without genetic variation, nothing would change. So that's false, because it would happen at all so and then visas Without genetic variation, speciation would not be possible, which is true that it is it. Then let's just go through the rest of genetic variation influences Sim Patrick speciation. But not Allah. Patrick speciation. So, um well, that is true. But I mean, it is what it is, and then you have. But that's not what they're specifically looking for their specifically looking for. Ah, the relationship between genetic variation and speciation in general. Not very not specifics. And even in the l A. Patrick speciation, even though it is geographically defining, um, the ones who do go to the different geographic area need those need those different Aly lt's in order to have survival of fittest and to adapt correctly me of d. There is no relationship with genetic variation and any form of speciation, which is false. So I hope you found this helpful. And I hope you have a great day. Thank you.

For this question, we are looking at gradual speciation as well as punctual equilibrium. So here you have an image of a common bird ancestor Developing into two different species types. One where the beak becomes elongated and longer, where the other species it becomes shorter and more rounded. So here the difference between gradual and punctual is going to be the time it takes for these to develop. So here this is going to occur over the process of time. So of course, gradual speciation is going to occur gradually or slowly over time, you're going to have the slow development and refinement of the features being adapted to, whereas punctual is going to basically skip from a minor Vienna to pick difference to a very dramatic presentation of the change. So here just remind, punctual will be in green and then our gradual are these black arrows. So with the difference between these two is punctual meaning a more significant or larger differentiation between species is typically going to occur under very harsh environments. This could be where a large population of birds is wiped out to a sudden change in their environment, such as an extreme drop in water, the extreme loss of food, something on that matter, and the organism has to develop a significant change in its genotype or phenotype in order to survive. So here natural selection is going to favor those that change quickly. This is different from a gradual speciation which occurs slowly and this is going to occur in slightly more favorable environments, but one where the organism still needs to change, say that a fruit or a very starts becoming low and quantity, so the bird starts to shift to another bird to another fruit or grain nutrition substance. So there's more time for the population of the organism to adapt slowly to that change in substance in the environment. So, knowing these details, the best answer choice for this question is going to be be that the punctual equilibrium is going to occur in that large and stable environment. This is false, because with a large population you're going to expect a slower change. You're going to expect harsh conditions to plummet a population to allow natural selection to favor that quicker and more rapid change. So here punctual is going to be related to that more harsh and small population, where natural selection has more influence over the development of a new species.

Hello, everyone. I hope all is well. And today I'll be helping you with the 26 problem of the Chapter 19 problems that so 26 is asking. Explain why there is no perfect organism despite natural selection. So let's just go through it. So natural selection picks the best fit right? So the best fit. So, for example, if we use bacteria because everybody loves bacteria, right and all the ones die that are resistant to the harmful antibiotic, so then But then, if we create a new antibiotic in green, it could kill that strange so it doesn't. It doesn't develop a perfect organism because it just it can't because it's limited by the amount of traits that are already in the population. Which is why the answer is C because of limitations. Do she'll populations existing variation in jeans. So I hope you find the scuffle and I hope you have a great day. Thank you