Study Guide for NAS 2 Challenge Latest Updated Q&A 2024

Study Guide for NAS 2 Challenge Latest Updated Q&A 2024 Levels of Organization: - CORRECT ANSWER-chemical, cellular, tissue, organ, organ system, organismal Survival Needs - CORRECT ANSWER-nutrients, oxygen, water, appropriate temperature, atmospheric pressure Requirements for Life - CORRECT ANSWER-maintaining boundaries, movement, responsiveness, digestion, metabolism, excretion, reproduction, growth Homeostasis - CORRECT ANSWER-ability to maintain relatively stable internal conditions even though the outside world changes continuously Basic Mechanisms - CORRECT ANSWER-receptor, control center, effector Negative Feedback Mechanisms - CORRECT ANSWER-most common homeostasis control mechanism; the net effect is that the original output of the system shuts off the original stimulus or reduces the intensity Positive Feedback Mechanisms - CORRECT ANSWER-cause the level of a variable to change in the same direction as the an initial change Ionic bond - CORRECT ANSWER-chemical bond between atoms formed by the transfer of electrons Covalent bond - CORRECT ANSWER-shared elect