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Biology > Lecture Two - Unifying Theme In Biology > Flashcards

Lecture Two - Unifying Theme In Biology Flashcards

1
Q

The hierarchy of biological organization

A

Atom
Molecule
Cells, tissues, organs
Ecological organization

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2
Q

Atoms and elements

A

Basic unit of matter

Nucleus and electrons

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3
Q

Homonuclear

A

Same atoms

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4
Q

Heteronuclear

A

Different atoms

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5
Q

Cells

A

Smallest unit of life3

Structural and fucntonal unit of all livng organisms

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6
Q

Tissues

A

Assembly of cells, carry out specific functions

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7
Q

Epitheial tissues

A

Line organs

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8
Q

Musculoar tissues

A

Cntract muscles

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9
Q

Nervous tissues

A

Relay info from muscles

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10
Q

Connective tissues

A

Hold muscles in place

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11
Q

Organs

A

Composed of two or more tissues working together

Alost every organ is composed of all4 types of tissues

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12
Q

Organisms

A

Independent living unit

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13
Q

Unicellular organisms

A

Single cell that carries out all the functions

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14
Q

Multicellular

A

Made up of man. Cells that are all specialized for different functions

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15
Q

Species

A

Group of organisms that share the same atributes

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16
Q

Populations

A

Organism of the same species

17
Q

Communities

A

Assembly of population of different species

Species depend on the envrionment

18
Q

Ecosystems

A

Community of organisms present in an envrinment and their interactiosw itht he surroundings

19
Q

Biosphere

A

Part of the earth including air, land, surface where life occurs
All parts that ahve living things

20
Q

2 process of any ecosystem

A

Cycling of nutrients

Flow of energy from sunlight —> prodcuers —> cosumers

21
Q

World wie producers

A

Plants

22
Q

3 types of organisms involved in he flow of energy

A

Producer
Consumers
Decomposers

23
Q

Producers

A

Producer their own food (energy) from raw material

24
Q

Consummers

A

Rely on producers

25
Q

Decomposers

A

Obtain energy by breaking down dead organic matter

26
Q

DNA

A

Heritable material that guides cell activity

27
Q

Biodiversty

A

Variety of living things

28
Q

Two main forms of cells

A

Eukaryotic and prokaryotic

29
Q

Prokaryotic

A

Lack organelles, DNA is not sperated bya nucleus

30
Q

Eukaryotic

A

Divided into organells, contains DNA in the nucleus

31
Q

3 domains of life

A

Bacteria
Archea
Eukarya

32
Q

Binomial system

A

Each orgaism gets two latin names
Genus name capitalized
Both italisized

33
Q

Why does the process of evolution occur

A

There are visual differences for organism because of adaptations to the envrionment

34
Q

Evolutionary change

A

Modifications of charcteristics

35
Q

What is natural selection

A

Organisms in population mustr compete for survival

Organisms that are more resourceful and adapted are more likely to reprodce

36
Q

Whats a disadvatnage to envronments always changing

A

Once an advantage, can now be a liability

Biology (7 decks)

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