Q: What layer covers the bones that make them look tough, shiny, and white? Choices: - epithelium - cuticle - epidermis - periosteum A:
periosteum

Q: The most common carbon atoms have six protons and six neutrons in their what? Choices: - ribosomes - neuron - membrane - nuclei A:
nuclei

Q: Q: The number of protons in an atom is called what? Choices: - mass number - metallic number - isotope - atomic number A:
A: atomic number

Question: Q: What did darwin call the evolutionary concept of change in populations over generations? Choices: - formation with modifications - reproduction with modifications - metabolism with modifications - descent with modifications A:
Answer: descent with modifications

*Question*
Q: Fish use some of their fins to propel themselves through the water and others to do what? Choices: - breathe - reproduce - rest - steer A:
**Answer**
steer

(Question)
Q: Physical properties are characteristics that describe what as it exists? Choices: - imagination - antimatter - life - matter A:
(Answer)
matter