Q: Q: What makes up the central nervous system? A:

OPTIONS:
- spine and lungs
- brain and heart
- heart and lungs
- brain and spinal cord

A: brain and spinal cord

input: OPTIONS:
- galaxies
- comets
- stars
- meteorites Now, answer this question: Q: What astronomical phenomenon, formed of split asteroids or planetary rocks, provides clues about our solar system? A:
A:
output: meteorites

Q: What does parasitic mean? A:

OPTIONS:
- mutual benefit
- welcome guest
- symbiotic
- lives in host

Answer: lives in host

Problem: OPTIONS:
- aggressive
- immune
- cardiac
- reproductive
Q: Q: Common among mammals and insects, pheromones are often related to what type of behavior? A:
Answer: reproductive

Problem:OPTIONS:
- fingers
- claws
- beaks
- feathers

Q: The fossilized skeleton of archaeopteryx looks like that of a dinosaur, but it had what structures modified for flight, a trait associated only with birds among modern animals? A:
****
A: feathers

Problem:OPTIONS:
- visual indication
- peripheral communication
- distinctive communication
- visual communication

Q: The process in which animals use visual cues to communicate is known as what? A:
****
A:
visual communication