Which of the Following Describes the Effect of Global Climate

Multiple Choice

Which of the following describes the effect of global climate change on biodiversity:

A) Rising ocean water temperatures have increased the populations of krill and Antarctic silverfish thus increasing Adelie penguin populations for whom these are food sources.
B) Warm temperatures and more frequent dry periods have stressed frog species such as the coqui making them more vulnerable to a lethal fungal infection thus reducing their populations.
C) The warming of ocean waters in conjunction with increased carbon dioxide dissolving into ocean has resulted in boon for coral reefs which are thriving.
D) Mountain ecosystems are not too vulnerable to global climate change because only very hardy species live at high altitude.