Ch 1: Evolution and the Foundations of Biology Flashcards

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1
Q

A biological system is any system that is a combination of components that function together. It can be defined at any _____, including a single cell or organ system.

A

scale

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2
Q

__________ seeks to reduce complex systems to simpler, more manageable components. Systems biology seeks to understand how all the parts function together.

A

Reductionism

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3
Q

In an ecosystem, nutrients _____ and energy flows through. Nutrients are always recycled. Energy flows through the system, typically entering as solar energy and leaving as ____.

A

cycle

heat

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4
Q

Energy for most life ultimately comes from the light energy of the sun, trapped in the ________ _____ of molecules synthesized by photosynthetic organisms. In this sense, the energy used by most organisms for metabolism and growth ultimately comes from the sun.

A

chemical bonds

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