Problem:OPTIONS:
- cell
- rna strand
- dna strand
- chromosome

Q: In species with sexual reproduction, each cell of the body has two copies of each what? A:
****
A: chromosome

Problem:OPTIONS:
- cartilage
- epithelial tissue
- soft tissue
- connective tissue

Q: Skeletal muscle tissue is arranged in bundles surrounded by this? A:
****
A: connective tissue

Problem:OPTIONS:
- genomes
- peptides
- nuerons
- alleles

Q: What are different forms of the same gene? A:
****
A: alleles

Problem:OPTIONS:
- spontaneous mutation
- generation
- mass extinction
- evolution

Q: The diversity of life on earth today is the result of what? A:
****
A:
evolution