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Biology > Chapter 1 Test > Flashcards

Chapter 1 Test Flashcards

1
Q

What is biology?

A

The study of life

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2
Q

What are characteristics of living things

A 
Based on genetic code, DNA
Made of cells 
They reproduce 
Obtain and use materials and energy 
Maintain stable internal environment 
Grow and develop 
Respond to their environment 
Change overtime and evolve
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3
Q

2 types of reproduction

A

Sexual and asexual

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4
Q

Types of homeostasis?

A

Ectothermic and endothermic

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5
Q

What is ectothermic homeostasis?

A

Maintain temperature from surroundings

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6
Q

What is endothermic homeostasis?

A

Maintain temperature from within

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7
Q

Levels of organization

A 
Biosphere 
Ecosystem (living an nonliving things)
Community (only living things)
Population (one species)
Organism 
Groups of cells
Organ system 
Organ
Tissue 
Cells 
Molecules/atoms
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8
Q

Metric system

A 
King  kilo
Henry.      Hecto
Died         Deca
By.           Base 
Drinking.    Deci
Chocolate.   Cents 
Milk.            Milli
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9
Q

What is a compound light microscope?

A

Magnifies objects by passing light through

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10
Q

What is a dissecting microscope?

A

Magnifies objects by shining light on them

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11
Q

What is an electron microscope?

A

Transition EM it shines a bean of electrons through a thin specimen

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12
Q

Scanning EM

A

Scans thin beam of electrons over the surface of a specimen to produce an image

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13
Q

What is science?

A

The investigation into understanding of the natural world,explains events,and use those explanations to make useful predictions

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14
Q

What is quanitative data?

A

Dealing with number

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15
Q

What is qualitative dat

A

Deals with quality a

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16
Q

What is an inference?

A

A logical interpretation

17
Q

What is the independent variable?

A

The thing the scientist changes

18
Q

What is the dependent variable?

A

Thing that responds to the scientists change

19
Q

What is a scientific theory?

A

Well tested explanation that unifies a broad range of observations, has never been disproven but can be modified in the future ex. Theory of evolution

20
Q

What is a scientific law?

A

A detailed description of a natural phenomena with out explanation Ex. Newtons universal law of gravitation

21
Q

What is the difference between pseudo science and science?

A

Science is fast able

22
Q

What is redi’s meet expiremtn?

A

Flys and maggots a explain

23
Q

What is spallinzanis expiremtn?

A

Open flask broth. Explain

Biology (11 decks)

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