An endangered species of wildflower has been reduced to a single small population in a mountain meadow. An early spring blizzard
buries and kills all but three of the remaining plants, one of which has a rare allele. The resulting evolutionary change in the population is an example of:
It is because only three members are normal while one of them has a rare recessive allele. Due to parallel evolution, the recessive allele will now become common as the other previously distinguished dominant alleles and now all the traits will be in a uniform equilibrium according to Hardy-Weinberg Theorem.
Bottleneck can be described as a situation whereby a population of an organism is negatively affected through some certain events such as uncontrollable hunting of the specie, destruction of habitat or environmental circumstances or disaster, and results to a reduction of the population.
Bottleneck is known to be a type of genetic drift, and its effect drastically reduces the population size of an organism. It also brings about a random change in the frequency of the alleles, which can be described as an evolutionary change.
In this case, what caused a reduction and evolutionary change of species of wildflower to mountain meadow is bottleneck.
The plants absorb the nitrogen from the atmosphere and it transports down into the soil where the nitrogen-fixed bactera changes the form of the nitogen:)
i honestly don't mean this in a rude way, but the answer to this question should be pretty obvious. try to do your homework on your own, it will really pay off in the long run. believe me, midnight cramming for exams isn't the way to go :/
It is possible to produce an offspring from a zebra mating with a donkey. Indeed, in Florence, Italy, a male zebra mated with a female donkey and produced a striped mule.
