Q: Q: Surface tension is responsible for the fact that small insects can do this on water? A:

OPTIONS:
- swim
- sink
- float
- walk

A: walk

input: OPTIONS:
- sensitive nervous system
- respiratory system
- auxiliary nervous system
- peripheral nervous system Now, answer this question: Q: What system carries messages from sense organs and internal organs to the central nervous system? A:
A:
output: peripheral nervous system

Q: What term is used to describe animals that excrete ammonia? A:

OPTIONS:
- spirogyra
- ammonstand
- xerophyte
- ammonotelic

Answer: ammonotelic

Problem: OPTIONS:
- crustaceans
- cephalopods
- mammals
- arthropods
Q: Q: What are the largest phylum in the animal kingdom? A:
Answer: arthropods

Problem:OPTIONS:
- higher birth rates
- higher expatriation
- higher death rates
- reduced family size

Q: What is the key to the demographic transition? A:
****
A: reduced family size

Problem:OPTIONS:
- spontaneous rate
- immediate rate
- emitted rate
- instantaneous rate

Q: At any specific time, the rate at which a reaction is proceeding is known as its what? A:
****
A:
instantaneous rate