input: OPTIONS:
- flexor
- abductor
- opposing
- extensor Now, answer this question: Q: What is the name of the muscle that contracts to cause the joint to straighten? A:
A:
output: extensor

Q: What is contained in the skin of brightly colored poison dart frogs? A:

OPTIONS:
- spores
- acid
- poison
- toxins

Answer: toxins

Problem: OPTIONS:
- heart
- parkinson
- liver
- aids
Q: Q: Opportunistic diseases are usually the direct cause of death of people with what disease? A:
Answer: aids

Problem:OPTIONS:
- active flow metal
- active move metal
- passive stagnant metal
- active transition metal

Q: Zinc is what kind of metal.? A:
****
A: active transition metal

Q: What basic structures are the site of all the life functions of an organism? A:
OPTIONS:
- lipids
- proteins
- genes
- cells
cells

Q: In arthropods, coxal glands and malphigian tubules perform what role? A:
OPTIONS:
- ingestion
- reproduction
- photosynthesis
- excretion

Answer:
excretion