Q: Q: What do some animals use for shelter? A:

OPTIONS:
- invisible materials
- indestructible materials
- living materials
- nonliving materials

A: nonliving materials

input: OPTIONS:
- exploitative and beneficial
- weak and strong
- interference and interaction
- instraspecifc and interspecific Now, answer this question: Q: What are the two basic types of competition called? A:
A:
output: instraspecifc and interspecific

Q: Liquids with strong intermolecular forces have higher what than liquids with weaker forces? A:

OPTIONS:
- temperature
- melting point
- freezing point
- surface tension

Answer: surface tension

Problem: OPTIONS:
- by antibiotic use
- by eating them
- by paralyzing them
- by digesting their cell walls
Q: Q: How does lysozyme destroy bacteria? A:
Answer: by digesting their cell walls

Problem:OPTIONS:
- circulatory system
- nervous system
- digestive system
- skeletal system

Q: Which system consists of all the bones of the body? A:
****
A: skeletal system

Problem:OPTIONS:
- electrons and neutrons
- atoms and neutrons
- molecules and electrons
- protons and neutrons

Q: What makes up the mass number of an atom? A:
****
A:
protons and neutrons