<span>Which observation would most likely be made before an experiment?</span>
Answer:
element
Explanation:
An element cannot be broken down by any chemical means. However, nuclear reactions can lead to the generation of new elements.
The reaction should be catabolic because Catabolic<span> reactions usually release energy that is used to drive chemical reactions. Anabolism refers to chemical reactions in which simpler substances are combined to form more complex molecules. </span>Anabolic <span>reactions usually require energy. </span>Anabolic<span> reactions build new molecules and/or store energy.</span>
Answer:
allele frequency
Explanation:
Allele frequency describes how often an allele appears in a population. This measure is usually expressed in percentage. Allele frequency can describe the variation that exist within the population. It can be calculated as the number of alleles divided with the total number of gene copies in that population.
Change in allele frequencies over a certain short period of time is defined as microevolution. Mechanisms of evolution that can change allele frequencies through time are mutations, natural selection, genetic drift and gene flow (migrations).
The correct answer is <span>A) Habitats are opened up for less competitive species.
Moderate disturbance, like predation or bioturbation, can increase the biodiversity in a habitat because it can prevent a highly competitive species to become dominant and exclude other species that compete for the same ecological niche in the habitat.</span>