If you search this on google the answer will come up.
The answer is e.
The troposphere.
The answer is; C
Recombination of genes is important in the variation of the organisms because it allows for novel allelic combinations during fertilization of gametes. Natural selection works best in a population with high genotypic and phenotypic variations. This increases the chances of survival of the population in case of climate change or calamities that cause a bottleneck effect.
It seems that you have missed the necessary options to answer this question, but anyway, here is the answer. The type of behavior that the spider, building its first web that does so perfectly, is considered as an innate behavior. When we say innate, this is the kind of behavior that is considered natural or inherent. Hope this answers your question.
