Read instructions for syllabus about UNIT VII ESSAY, approxiamately two pages long, apa format, cited and reference, times roman font 12, cited and referenced don’t know if it ask for it. paraphrased and quotation if needed. I just always make sure Abosolutely No Plagiarism. Need an A on assignment. Due on date and time requested!!!! Be precise and follow the topic

UNIT VII ESSAY: Assessing the Impact of Climate Change on Biodiversity


Climate change is one of the most significant environmental challenges facing the world today. It has the potential to impact various aspects of our planet, including biodiversity and ecological systems. The purpose of this essay is to assess the impact of climate change on biodiversity, specifically focusing on how rising temperatures, changing precipitation patterns, and altered habitats affect species and ecosystems. By examining current scientific literature and research findings, we can gain a better understanding of the extent of this impact.

Impact of Rising Temperatures

One of the primary consequences of climate change is the increase in global temperatures. Rising temperatures can have profound effects on biodiversity. Many species have specific temperature requirements for optimal survival and reproduction. As temperatures exceed these thresholds, species may face physiological stress, reduced reproductive success, and higher mortality rates (Ellis et al., 2012).

A study by Parmesan and Hanley (2015) highlights how rising temperatures are already affecting biodiversity. The research shows that warmer temperatures are altering the range boundaries of many organisms, leading to shifts in their distributions. For instance, some species are moving towards higher altitudes or latitudes in response to increasing temperatures. This geographic redistribution can disrupt ecological interactions and result in the local extinction of certain species unable to adapt to new conditions.

Furthermore, rising temperatures can magnify the impacts of other climate-related stressors. For example, increased water temperatures can exacerbate the effects of ocean acidification, causing significant harm to marine ecosystems (Harvey et al., 2013). Climate change-induced temperature increases can also disrupt the timing of critical ecological events, such as flowering and pollination, leading to mismatches between species’ life cycles (Hegland et al., 2009).

Effect of Changing Precipitation Patterns

Climate change is also altering precipitation patterns across the globe. While some regions experience increased rainfall and flooding, others face prolonged droughts and reduced water availability. These shifts in precipitation patterns pose significant challenges for many species and ecosystems.

Droughts, in particular, can have severe consequences for biodiversity. They can directly stress plants by impairing their ability to take up moisture, resulting in reduced growth and increased mortality (Breshears et al., 2009). As a consequence, population declines or even local extinctions of organisms that depend on specific plant species may occur (Stuart-Smith et al., 2015).

Additionally, changing precipitation patterns can impact freshwater ecosystems. Increased rainfall can lead to excessive runoff, which alters water quality and causes habitat degradation for aquatic species (Rosenberg et al., 2010). On the other hand, reduced precipitation can result in shrinking lakes and reduced stream flows, affecting the survival of many aquatic organisms that rely on these water sources.

Furthermore, fluctuations in precipitation can influence the phenology of certain species, particularly migratory birds and insects. Timing their migration or breeding activities with the availability of food resources is crucial for their survival. However, as precipitation patterns change, the availability of these resources may shift, leading to mismatches between species and their food sources (Chong et al., 2014).

Altered Habitat and Range Shifts

Another significant impact of climate change on biodiversity is the alteration of habitats. As temperatures rise, vegetation zones and biomes are shifting, affecting species’ ranges and distributions. For instance, some tree species are moving northward or to higher elevations in response to warming temperatures (Chen et al., 2011). These changes in habitat availability can directly affect species’ survival and reproduction since they may no longer have access to suitable resources or face increased competition from other species.

The rearrangement of habitats also has cascade effects on species interactions and ecosystem functioning. Communities with complex ecological relationships, such as predator-prey dynamics or mutualistic interactions, may become disrupted, affecting the entire ecosystem’s stability (Cahill, 2010). Moreover, altered habitat structures can result in changes in species composition, leading to the decline or loss of certain specialized species that are unable to adapt to the new conditions (Walther et al., 2002).


Climate change has significant implications for biodiversity. Rising temperatures, changing precipitation patterns, and altered habitats are all driving forces of species extinctions, shifts in distributions, and disruptions of ecological relationships. It is essential to understand and mitigate these impacts to preserve the Earth’s rich biodiversity and ensure ecological stability in the face of this global challenge. Further research and proactive conservation measures are necessary to address the multifaceted effects of climate change on biodiversity and minimize its detrimental consequences.

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