Chapter1-Characteristics Of Living Things Flashcards

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1
Q

Evolve

A

Change over time, the process by which modern organisms have ascended from ancient organisms

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2
Q

Energy

A

Allows organisms to do things

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3
Q

DNA

A

A complex information that all organisms need to live, grow, and reproduce in a genetic code written in a molecule

DeoxyriboNucleic Acid

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4
Q

Heredity

A

The passing of traits from parent to offspring

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5
Q

Sexual Reproduction

A
  • cells from 2 parents unite to form the first cell of a new organism
  • most plants and animals engage in sexual reproduction
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6
Q

Asexual Reproduction

A

A single organism produces offspring identical to itself

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7
Q

Reproduction

A

Producing new similar organisms to continue the cycle of life

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8
Q

Metabolism

A

The combination of chemical reactions through which an organism builds up or breaks down materials

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9
Q

Cells

A

Basic unit of all forms of life

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10
Q

Sense and respond to change/stimuli

A

Recognize external stimuli and react to it

Stimuli: something that causes a reaction

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11
Q

Growth and Development

A

Single cell =increase in size
Multicellular = increase in number of cells

Change in form with in an organism’s lifespan
Some changes are dramatic

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12
Q

Homeostasis

A

Relatively constant internal physical and chemical conditions that organisms maintain

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13
Q

Stimulus

A

A signal to which an organism responds

Something that causes a reaction

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