Which of the Following Observations Would Be Expected If an Infectious

question 19

Multiple Choice

Which of the following observations would be expected if an infectious disease were a contributor to amphibian decline?

• A) Amphibian decline occurs simultaneously at many points throughout the entire range of amphibian populations.
• B) Amphibian decline correlates with habitat alteration.
• C) When transplanted into declining populations, individuals from healthy populations show the same symptoms as individuals from declining populations.
• D) Symptoms of individuals from declining populations cannot be cured by medication.

---

Definitions:

Oligochaetes

A group of segmented worms, including earthworms, characterized by having a relatively small number of chaetae (bristles) compared to other polychaetes.

Proglottid

A segment of a tapeworm, containing both male and female reproductive organs, which can produce eggs and eventually detach from the main body.

Fertilized Eggs

Eggs that have been inseminated by sperm, initiating embryonic development that can lead to the birth of an offspring.

Prialt

A powerful painkiller derived from cone snail venom, used for treating severe chronic pain in certain conditions.