Chapter 1 Flashcards

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1
Q

All things that are considered to have LIFE have

A
Order
Reproduction 
Growth and development
Energy processing
Regulation
Response to the environment 
Evolutionary adaptation
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2
Q

Life’s hierarchy of organization

A
Biosphere
Ecosystem 
Community
Population
Organism
Organ system
Organ
Tissue
Cell
Organelle
Molecules
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3
Q

Food chain

A

A single line of organisms where each is preceded by something that it consumed and then followed by something that consumes it

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4
Q

Good web

A

Feeding interactions between organisms. They share resources and compete

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5
Q

Cells

A

Structural and functional units of life

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6
Q

Prokaryotic cells

A

Cells that were around before earth was inhabited. They are small and simple with no nucleus

Eg: bacteria,archaea,monera

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7
Q

Eukaryotic cells

A

Cells that evolved after prokaryotes and has a nucleus

Eg: plants, yeast,fungi, and animals

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8
Q

DNA

A

DNA is the genetic material of cells.

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9
Q

Genes

A

The units of inheritance

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10
Q

3 domains

A

Bacteria
Archaea
Eukarya

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11
Q

Evolution

A

The process of change that has transformed life on earth from its earliest beginnings to the diversity of organisms living today

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12
Q

Descents of modification

A

Species living together today arose from a successor of ancestors that differed from them

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13
Q

Natural selection

A

A mechanism for evolution

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14
Q

The order of classification of organisms

A
Domain
Kingdom
Phyla 
Class
Order
Family
Genus
Species
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15
Q

Scientific method

A

A step by step method for testing ideas with observation

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16
Q

List of the scientific method

A
Observation
Questions
Hypothesis
Predictions
Test 
Results
17
Q

Qualitative observation

A

Observation based on description eg: color

18
Q

Quantitative observation

A

Observation based on number oval measurements that may be organized into tables and graphs eg: temperature

19
Q

Inductive reasoning

A

Making observations then coming to conclusions

20
Q

Deductive reasoning

A

A proposed explanation of what will happen

21
Q

Control group

A

the group that doesn’t receive the variable being tested

22
Q

Independent variable

A

What is being manipulated or tested (X axis)

23
Q

Dependent variable

A

Depends on what’s being manipulated (y axis)

24
Q

Biology

A

The scientific study of life