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Science > Characteristic of Living Things > Flashcards

Characteristic of Living Things Flashcards

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Biology 101 flashcards
1
Q

Cell

A

↠Basic unit of structure and function in an organism

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2
Q

Unicellular

A

↠An organism that consists of only one cell

↠Ex: Amoeba, Paramecium

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3
Q

Multicellular

A

↠Organisms that consist of many cells

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4
Q

Cellular Organization for Multicellular Organism

A

↠Cell↠Tissue↠Organ↠Organ System

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5
Q

Chemicals of Life

A

↠All organisms are composed of chemicals

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6
Q

Water

A

↠Most abundant chemical in cells
↠Dissolve many chemicals
↠Blood is 92% water so it can dissolve waste and also food for cells

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7
Q

Carbohydrates

A

↠Source of energy for cells

↠Ex: Glucose

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8
Q

Protein and Lipids

A

↠Building materials for cells

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9
Q

Nucleic Acid

A

↠Genetic instructions that direct cell’s activities

↠Ex: DNA and RNA

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10
Q

Energy Use

A

↠All cells need energy to function, grow, and repair themselves
↠All organisms get their energy directly from food
↠All organisms get their energy indirectly/direct, from the sun

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11
Q

Cellular Respiration

A

↠The process by which an organism breaks down food particles to release its energy

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12
Q

Aerobic Respiration

A

↠Needs oxygen

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13
Q

Anaerobic Respiration

A

↠Uses no oxygen

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14
Q

Growth

A

↠Process of an organism getting larger

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15
Q

Development

A

↠Process of an organism becoming more complex

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16
Q

Stimulus

A

↠A change in the organism environment that causes the organism to react

17
Q

Response

A

↠An action or behavior due to the stimulus

18
Q

Reproduction

A

↠When offspring similar to the parents are produced

19
Q

Asexual Reproduction

A

↠Involves only on parent

↠Offspring a identical or parent

20
Q

Sexual Reproduction

A

↠Involves two parents

↠Offspring are unique from parent

21
Q

Cellular Organization

A

↠All organisms consist of at least one cell

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