Notesale: Turn your study into money

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Key Concepts

 A body system includes organs that interact
 A cell is a system of chemicals and processes
 An ecosystem includes living and nonliving things that interact
 Structure determines function
 Different species have different anatomical structures with different
functions
 Organisms must maintain homeostasis to survive in diverse environments
 Homeostasis is usually maintained through negative feedback
 Evolution accounts for both the diversity and unity of life

Vocab

 A system is an organised group of interacting parts that work to form a whole
 Homeostasis is the maintenance of constant internal condition
 Evolution is the change in living things over time
 Adaptations are beneficial traits that are passed to future generations
 Qualitative data is the description in words of what is based on qualities as
color, odor, or texture
 Quantitative data is the numeric measurement objective, the same no matter
who measures them; mass, volume, temperature, time



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