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Biology Unit 1 test > The Study of Life > Flashcards

The Study of Life Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

First characteristic of Life

A

Life is organized

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2
Q

Second characteristic of Life

A

Required materials and energy

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3
Q

Third characteristic of Life

A

Has the ability to reproduce and develop

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4
Q

Fourth characteristic of Life

A

Responds to the environment

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5
Q

Fifth characteristic of Life

A

Maintains an internal environment

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6
Q

Sixth characteristic of Life

A

Has the capacity to adapt to its environment

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7
Q

1st level

A

Atoms-smallest unit of any element

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8
Q

2nd level

A

molecule-union of two or more atoms

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9
Q

3rd level

A

cell-smallest unit of life, unicellular

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10
Q

4th level

A

tissues-perform a function

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11
Q

5th level

A

organ-function together for a specific task

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12
Q

6th level

A

organ system-work together with organs

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13
Q

7th level

A

organism-single living individual

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14
Q

8th level

A

population-same species

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15
Q

9th level

A

community-different species

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16
Q

10th level

A

ecosystem-community and physical involvement

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17
Q

11th level

A

biosphere-largest organizational level

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18
Q

Autotroph

A

Make their own foods (plants)

19
Q

Heterotrophs

A

Do not make their own food (humans and animals)

20
Q

Consumers

A

Eat other organisms

21
Q

Decomposers

A

Breakdown dead and decaying organisms

22
Q

Asexual reproduction

A

One parent produces genetically identical offspring

23
Q

Sexual reproduction

A

Two parents produce genetically diverse off spring

24
Q

Why is natural selection not survival of the fittest?

A

Mechanism evolutionary change. Differential reproductive success.

25
Q

1st level of classification

A

Kingdom/Domain

26
Q

2nd level of classification

A

Phylum/division

27
Q

3rd level of classification

A

Class

28
Q

4th level of classification

A

Order

29
Q

5th level of classification

A

Family

30
Q

6th level of classification

A

Genus

31
Q

7th level of classification

A

Species

32
Q

What is binomial nomenclature

A

Scientific names for species

33
Q

Domain bacteria

A

no nucleus or organelles, unicellular

34
Q

Domain Archaea

A

no nucleus or organelles, unicellular

35
Q

Domain Eukarya

A

complex cell structure, DNA in nucleus, uni/multicellular

36
Q

Plantae

A

Plant, multicellular, autotroph

37
Q

Fungi

A

Most multicellular, heterotroph, decomposers, consumers through external digestion

38
Q

Animalia

A

multicellular, heterotroph, ingest

39
Q

Protista

A

uni/multicellular, autotroph/heterotroph

40
Q

What is a hypothesis?

A

a tentative, testable explanation

41
Q

Why is peer review so important in the scientific process?

A

Reduces error, bias, and experimental flaws

42
Q

Independent variable

A

factor being tested

43
Q

Dependent variable

A

result of change

44
Q

What is a theory?

A

Concepts that join together well supported and related hypothesis to explain natural phenomenon

Biology Unit 1 test (4 decks)

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