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Bio II > 1.2 Metric System, Measuring, And Conversion > Flashcards

1.2 Metric System, Measuring, And Conversion Flashcards

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Biology 101 flashcards
1
Q

How many meters are in a kilometer?

A

1000

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2
Q

How many centimeters are in a meter?

A

100

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3
Q

How many milligrams are in a gram?

A

1000

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4
Q

How many microliters are in a liter?

A

100000

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5
Q

How many nanoseconds are in a second?

A

1000000000

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6
Q

How many picometers are in a meter?

A

1000000000000

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7
Q

How many millimeters are in 4.8 meters?

A

4800

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8
Q

How many kilometers are in 16 centimeters?

A

0.0016

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9
Q

How many milligrams are in 1 gram?

A

1000

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10
Q

How many milligrams are in 1.7 grams?

A

1700

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11
Q

How many kilograms are in 1.7 grams?

A

0.0017

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12
Q

What is the difference between mass and volume?

A

Mass measures the number of atoms, whereas volume measures how much space something takes up.

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13
Q

If an object measures approximately halfway between the 4.5 cm and 4.6 cm marks on a ruler, what should you record as its length?

A

4.55 cm

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14
Q

Given a set of numbers, find the median and the mean: 1, 1, 2, 3, 5, 8, 13.

A

Median: 3
Mean: 2.9

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15
Q

The thickness of the annual rings indicates what type of environmental situation was occurring the time of the tree’s development. A thin ring usually indicates a rough period of development such as lack of water, forest fires, or insect infestation. On the other hand, a thick ring means a prosperous period of development. What is the independent variable and which axis does it go on?

A

The independent variable is the age of the trees and it goes on the x-axis.

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16
Q

The thickness of the annual rings indicates what type of environmental situation was occurring the time of the tree’s development. A thin ring usually indicates a rough period of development such as lack of water, forest fires, or insect infestation. On the other hand, a thick ring means a prosperous period of development. What is the dependent variable and which axis does it go on?

A

The thickness of the annual rings is the dependent variable and it goes on the y-axis.

17
Q

What kind of relationship occurs when both variables increase?

A

Direct

18
Q

What kind of relationship occurs when one variable increases and the other decreases?

A

Indirect

19
Q

What kind of relationship occurs when one variable increases and the other remains the same?

A

Constant

20
Q

How are non-linear relationships represented on a graph?

A

They have a curved line of best fit.

21
Q

What does a peak relationship show?

A

An optimum

Bio II (6 decks)

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