Answer:
Carrying capacity was reached due to the abundance of prey

Last option: Preserve an ecosystem

• The establishment of a bird reservation is a way to preserve an ecosystem because reservation provides suitable environment to organism. A healthy ecosystem means large number of biodiversity.
Correlational study is used to show the type of association or relationship which exists between two or more variables using statistical analysis. Ken's research shows that <em>there</em><em> </em><em>is</em><em> </em><em>a</em><em> </em><em>relationship</em><em> </em><em>between</em><em> </em><em>childhood</em><em> </em><em>anger</em><em> </em><em>management</em><em> </em><em>and</em><em> </em><em>adult</em><em> </em><em>earning</em><em>.</em><em> </em>
- According to Ken's research, learning how to control anger leads to making more income during adulthood. This signifies a positive relationship between good anger management in childhood and earning made during adulthood.
- Similarly poor anger management in childhood leads is associated with low earning during adulthood.
- Hence, Ken's research shows that there is a relationship between <em>childhood</em><em> </em><em>anger</em><em> </em><em>management</em><em> </em><em>and</em><em> </em><em>adult</em><em> </em><em>earnings</em><em>.</em><em> </em>
<em>Learn</em><em> </em><em>more</em><em> </em><em>:</em><em> </em><em>brainly.com/question/17561092?referrer=searchResults</em>
Answer:
B. the combination of modern genetics and Darwinism.
Explanation:
The modern synthesis refers to the concept which combined the theory of inheritance by Mendel and theory of evolution by Charles Darwin. The theory also used the concept of Theory of germplasm.
The modern synthesis concept came in the early 20th century when the studies were going on Mendel's theory and the evolutionary aspects. The concept led to the formation of new concepts like the macroevolution, microevolution and the evolution affected by mutation of genes.
Thus, Option-B is correct.