Q: Species that have diverged from their common ancestors have greater differences in what? Choices: - life span - cell structure - immunology - dna sequence A:
dna sequence

Q: What are the antibodies an animal produces after exposure to a microbial antigen? Choices: - isolated - monoclonal - chimeric - polyclonal A:
polyclonal

Q: Q: What is the foundation species of coral reef ecosystems? Choices: - anemones - crystals - molluscs - coral A:
A: coral

Question: Q: Programmed cell death is also known as? Choices: - suicide - sepsis - necrosis - apoptosis A:
Answer: apoptosis

*Question*
Q: What determines the color of visible light? Choices: - wavelength speed - wavelength density - molecular wavelength - exact wavelength A:
**Answer**
exact wavelength

*Question*
Q: What are the only organelles that prokaryotic cells have? Choices: - nuclei - chloroplasts - fibroblasts - ribosomes A:
**Answer**
ribosomes