Q: What are composed of alternating positive and negative ions? A:

OPTIONS:
- magnetic crystals
- polar bonds
- radioactive substances
- ionic crystals

Answer: ionic crystals

Problem: OPTIONS:
- proteins
- hydrocarbons
- oligosaccharides
- polysaccharides
Q: Q: What is the term for longer chains of monosaccharides ? A:
Answer: polysaccharides

Problem:OPTIONS:
- physiological succession
- continuous succession
- environmental succession
- ecological succession

Q: The numbers and types of species in most ecosystems change to some degree through time and this is called? A:
****
A: ecological succession

Q: Are the joints between the vertebrae contained in your backbone fully movable, partially movable, or unmovable? A:
OPTIONS:
- none of these
- unmovable
- fully movable
- partially movable
partially movable

Q: What is a segment of dna that carries a code for making a specific polypeptide chain called? A:
OPTIONS:
- a protein
- nucleotide
- amino acid
- a gene

Answer: a gene

input with options: Q: Misconceptions about what theory contribute to the controversy that still surrounds this fundamental principle of biology? A:
OPTIONS:
- darwin on evolution
- brain of evolution
- cycle of evolution
- theory of evolution
output:
theory of evolution