Q: What property of certain states of matter can be given in units of millimeters of mercury? Choices: - solvency - gravity - velocity - pressure A:
pressure

Q: By breaking down organic matter, roundworms play an important role in which cycle? Choices: - water cycle - metamorphic cycle - circadian cycle - carbon cycle A:
carbon cycle

Q: Q: The cell wall acts as an extra layer of protection, helps the cell maintain its shape, and prevents what? Choices: - extinction - exhaustion - Respiration - dehydration A:
A: dehydration

Question: Q: What the scientific concept stating that when looking at two competing theories, the one with fewer assumptions should be chosen? Choices: - law of thermodynamics - law of simplicity - law of averages - law of parsimony A:
Answer: law of parsimony

*Question*
Q: Echinoderms have what type of body symmetry? Choices: - Translational symmetry - Rotational symmetry - Reflectional symmetry - radial symmetry A:
**Answer**
radial symmetry

(Question)
Q: Which cycle tracks the flow of nitrogen through an ecosystem? Choices: - nitrogen reaction - water cycle - life cycle - nitrogen cycle A:
(Answer)
nitrogen cycle