HS. Structure and Function HS-LS1-3

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The growth and adaptation of plant roots based on the availability of water in the soil, demonstrating a feedback mechanism for maintaining proper hydration.

Data and observations collected during an investigation that support or refute a scientific claim or explanation.

A systematic process of exploring and examining scientific questions through experiments and observations.

The internal biological activities within cells that are part of feedback mechanisms, though not included in this assessment boundary.

The maintenance of stable internal conditions in an organism despite external environmental changes.

The ability of an organism to keep internal conditions within a stable range despite external fluctuations.

The information returned to a system that influences how it responds to changes, helping to maintain stability.

An example of a feedback mechanism where the heart rate increases to deliver more oxygen and nutrients during physical activity.