Describe a bottleneck situation that could take place in a forest ecosystem and how it would change the allele frequencies of the population.

Forest fires that lead to the reduction in population size of species

Explanation:  

In population genetics, a genetic bottleneck is a drastic reduction in the population size, this process is expected to produce a dramatic decrease in genetic diversity (i.e., a bottleneck). The bottleneck may be the result of ecosystem disasters such as, for example, earthquakes, floods, etc., which can produce the death of an important number of members in the population. In this example, the allele frequencies in the next generation will represent the gene pool of the individuals that survived the forest fire disaster.

d concave shape of wave rock

explanation:

the concave shape of wave rock is a very good evidence that supports the evolution of earth due to chemical weathering. if we talk about structure of   wave rock, studies have estimated that it is around 2.7 billion years old. it also serves as the foundation of evidence that it was the place where australian continent began to form.

how the structure of wave rock was created?

studies suggest that structure of wave rock was created when the surrounded area was started to weather due to which deposition of material started on the part of land which now contains wave rock.

the structure of wave rock is considered to be one of the best-known landforms in australia. at the height of around 15 cm, there can be found flared slopes which formulate the margins of hyden rock. it is now assumed by geologists that wave rock was created by subsurface water-induced weathering and not by glaciers, waves or wind.

due to deposition of material over the period of long time, the wave rock became tougher and tougher due to weathering from surrounding terrain. this makes it a physical evidence that supports   the evolution of earth due to chemical weathering.

hope it !

name and explain one of the event that occurs during meiosis that increases the variation in offspring even more than simple reproduction?