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Negative feedback is the most common way that living organisms maintain homeostasis.

A species that is so important to its community (such as the sea otter) that their removal can dismantle a food web is termed a ________ species.

Explain how transpiration in leaves moves water and minerals in the xylem.

The force that blood exerts on artery walls is termed ________ pressure.

A ________ is an area where two bones meet and may allow for free movement of limbs. 

You are trying out for the USA Olympic gymnastics team. Everything is going well until you turn your ankle on the landing and tear a connection between two bones. You probably

A sprain is a stretched or torn

“P” is the elemental symbol for

The ________ transports water and dissolved minerals from the roots of the plant to the shoots of the plant.

Nutrients that an organism needs in fairly large amounts are referred to as