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Biology 1 > Unit 1 (Characteristics of Life, Scientific Method, Experimental Design) > Flashcards

Unit 1 (Characteristics of Life, Scientific Method, Experimental Design) Flashcards

1
Q

Characteristics of Life

What are the 9 characteristics of life?

A

Homeostasis, Response to Stimuli, Growing and Developing, Cells, Organization, Reproduction, DNA, Energy, Adaptations

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2
Q

Characteristics of Life

What is homeostasis?

A

Keeping the body in a balanced state

ex; placing a fish in their wrong habitat will kill it

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3
Q

Characteristics of Life

What are the levels of organization?

A

Atom, Molecule, Organelle, Cell, Tissue, Organ , Organ system, Organism

(in order from smallest to largest)

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4
Q

Characteristics of Life

True or False: Viruses are made out of cells

A

False

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5
Q

Characteristics of Life

What are the two main factors in the structure of a virus?

A

Nucleic Acid and Capsid

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6
Q

Characteristics of Life

Why do most biologists consider viruses to be non living?

A

All living things are made of cells and viruses aren’t made out of them

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7
Q

The Scientific Method

1st step

A

Make observations

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8
Q

The Scientific Method

2nd step

A

Ask a question

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9
Q

The Scientific Method

3rd step

A

Background research

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10
Q

The Scientific Method

4th step

A

Hypothesis

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11
Q

The Scientific Method

5th step

A

Design an experiment to test your hypothesis

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12
Q

The Scientific Method

6th step

A

Perform experiment and collect data

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13
Q

The Scientific Method

Last step

A

Draw conclusions

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14
Q

The Scientific Method

What is quantitative data?

A

Counting or Measuring

(length, volume, weight)

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15
Q

The Scientific Method

What is qualitative data?

A

Descriptive or Observed

(color, texture, smell)

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16
Q

The Scientific Method

What is an observation?

A

Finding information by examining something

17
Q

The Scientific Method

What is an inference?

A

A logical conclusion based on prior knowledge or observations

18
Q

Experimental Design Definitions

Hypothesis

A

Prediction

19
Q

Experimental Design Definitions

Independent Variable

A

The factor being changed in an experiment

20
Q

Experimental Design Definitions

Levels of IV

A

The different groups being experimented with

21
Q

Experimental Design Definitions

Experimental Groups

A

The variable is being tested

22
Q

Experimental Design Defintions

Control Group

A

The variable in it’s regular state

(used as comparison)

23
Q

Experimental Design Definitions

Dependent Variable

A

The variable that’s measured

(the dependent variable DEPENDS on the independent variable)

24
Q

Experimental Design Definitons

Constants

A

What is kept the same throughout the experiment

(other than the independent variable)

25
Q
A

Biology 1 (1 decks)

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