Problem: OPTIONS:
- electron count
- atomic mass
- real number
- atomic number
Q: Q: Adding the number of protons plus the number of neutrons in an atom, decides it's approximate mass, what is another word for this value? A:
Answer: atomic number

Problem:OPTIONS:
- chloroplasts
- microbial
- carbonate
- chlorophyll

Q: Cyanobacteria are bluish green in color because they contain what? A:
****
A: chlorophyll

Q: What kind of symmetry do echinoderm larvae have? A:
OPTIONS:
- internal
- radial
- spherical
- bilateral
bilateral

Q: Historically, malaria has rivaled what as the leading cause of human death by infectious disease? A:
OPTIONS:
- heart attack
- hepatitis
- cancer
- tuberculosis

Answer: tuberculosis

Question: Q: What is the term for the blockage of an artery by the buildup of fatty plaques? A:
OPTIONS:
- fibrosis
- cancers
- clumps
- atherosclerosis
Answer: atherosclerosis

input: OPTIONS:
- parasite
- Thumb
- Milk production
- backbone Now, answer this question: Q: What do vertebrate chordates possess that invertebrate chordates do not? A:
A:
output:
backbone