Problem: OPTIONS:
- protists
- spirogyra
- trichina
- ecdysozoa
Q: Q: Animals that molt their exoskeletons belong to which clade? A:
Answer: ecdysozoa

Problem:OPTIONS:
- galaxies
- inside nuclei
- inside protons
- orbits

Q: What are the only regions of space that electrons can occupy? A:
****
A: orbits

Q: What cage composed of 12 pairs of ribs, with their costal cartilages and the sternum, protects the heart and lungs? A:
OPTIONS:
- sacral
- lumbar
- cervical
- thoracic
thoracic

Q: At least 20 percent of the world's people do not have a ready supply of what? A:
OPTIONS:
- clothing
- food
- oil
- clean drinking water

Answer: clean drinking water

Question: Q: Locus refers to the position of what on a chromosome, which controls the characteristics of an organism? A:
OPTIONS:
- genome
- gamete
- rna
- gene
Answer: gene

input: OPTIONS:
- large length
- incomplete length
- small length
- unspecified length Now, answer this question: Q: The general term peptide refers to an amino acid chain of what? A:
A:
output:
unspecified length