The answer to your question is either drawbridge or scaffolding. I want to go with drawbridge because it has support and stands of for itself, so its similar to a stucture if that makes sense.
Answer:
The population of the dart frogs drop.
Explanation:
The population of the dart frogs, and other species that eat the dart frogs will drop. The dart frogs will have a virus, but soon the other animals who eat the dart frogs will drop too because their food is going down.
one reason for the decline inthe population of marine iguqnes is that invasive speciesnare preying upon themvand there eggs hope this helps
<span>The nervous system that controls the voluntary functon of the limbs and the sense organs is called the Autonomic nervous system. The Autonomic nervous system is make up of both, the Parasympathetic nervous system and the Sympathetic nervous system.</span>