(05.04 MC)

The table below shows the maximum depth up to which some shallow water coral species can establish their colonies.



Depth of Colonies
Species Maximum Depth
W 44 m
X 39 m
Y 48 m
Z 31 m
Which coral species is most likely to die out when the surface ocean temperature rises?

(05.04 MC)

The table below shows the maximum depth up to which some shallow water coral species can establish their colonies.



Depth of Colonies
Species Maximum Depth
W 44 m
X 39 m
Y 48 m
Z 31 m
Which coral species is most likely to die out when the surface ocean temperature rises?

Z

W

X

Y

Z is most likely to die out when the surface ocean temperature rises because it has the lowest maximum depth out of the four coral species listed. As temperatures rise, coral reefs are at risk of coral bleaching which can lead to the death of the coral colonies. Since Species Z can only establish colonies up to a depth of 31 meters, it is more vulnerable to the effects of rising ocean temperatures compared to the other species with deeper maximum depths.