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.
The abnormal condition in which a placenta separates from the uterine wall before the birth of the fetus is known as:
Placental abruption
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An invertebrate, because an animal with a vertebrate is an animal with a backbone.