Iguanas have spines along their backs to help protect them from predators. They also have a bunch of extra skin below their necks called a dewlap. This dewlap helps them to regulate their temperature, which is helpful as they are cold-blooded and their bodies don't control their body temperature automatically.
It uses nephridium as the expiratory organ for flat worms
The evidence from the simulation to support the decrease in biodiversity of the other species in the coral reef ecosystem.
<h3>Why are coral reefs disappearing?</h3>
Coral reefs are disappearing because of a mix of local pressure and climate change.
Local pressures include overfishing, caused by commercial agriculture; pollution; nutrient enrichment of reef waters, which is harmful to coral reefs; and coastal growth.
Thus, option "D" is correct, decrease in biodiversity of the other species in the coral reef ecosystem.
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