Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of _________ , which causes an increase in ocean temperature. Due to these unfavorable conditions, corals expel algae, leading to _________.
Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of _________ , which causes an increase in ocean temperature. Due to these unfavorable conditions, corals expel algae, leading to _________.
Options:
FIRST BLANK:
A. Oxygen
B. Biodiversity
C. Carbon dioxide
SECOND BLANK:
A. Biomagnification
B. Bleaching
C. Fragmentation
Answers:
1. C. Carbon dioxide
2. C. Fragmentation
Explanation:
Coral reefs have a symbiotic relationship with algae. Because of human activity, the ocean is absorbing high levels of carbon dioxide, which causes an increase in ocean temperature. Due to these unfavorable conditions, corals expel algae, leading to bleaching. If corals go too long without algae, the corals will die.