Q: What functional units of chromosomes determine specific characteristics by coding for specific proteins? Choices: - chromosomes - DNA - cells - genes A:
genes

Q: What is it called when organisms with traits that better enable them to adapt to their environment tend to survive and reproduce in greater numbers? Choices: - natural distribution - adaptation - evolution - natural selection A:
natural selection

Q: Q: Reptiles can be found on every continent except which one? Choices: - south america - africa - australia - antarctica A:
A: antarctica

Question: Q: What change the physical properties of solvents? Choices: - molecules - cells - chemical reactions - solutes A:
Answer: solutes

*Question*
Q: During protein synthesis, ribosomes assemble what into proteins? Choices: - rna acids - polymer acids - DNA Acids - amino acids A:
**Answer**
amino acids

*Question*
Q: What are structures that have a common function and suggest common ancestry? Choices: - reversible structures - analogous structures - monogamous structures - homologous structures A:
**Answer**
homologous structures