slide 1 Flashcards

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1
Q

Biology

A

the scientific study of life

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2
Q

We recognize life by

A

what living things do

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3
Q

Life possesses

A

order

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4
Q

Life displays

A

evolutionary adaptation
and
regulatory responses

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5
Q

Living organisms respond to

A

their environment

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6
Q

Living organisms

A

grow and develop

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7
Q

Living organisms process

A

energy

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8
Q

Living organisms reproduce

A

their own kind

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9
Q

Until well into the 1800’s it was commonly thought that

A

living

organisms could arise spontaneously from nonliving matter.

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10
Q

The continuity of life is coded in DNA

A
Shared molecular “alphabet” of
four letters (nucleotides)
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11
Q

DNA Neuclotides

A

A - Adenine T - Thymine

C - Cytosine G - Guanine

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12
Q

Biologists explore life from

microscopic to global scales

A

molecule, organelle, cells, tissues, organ, community

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13
Q

Emergent properties

A

are those properties not present in

the components, only in the system.

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14
Q

Emergent properties are due to

A

the arrangement and

interaction of parts as complexity increases.

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15
Q

Emergent properties are a common theme

A

in biology and

can be observed at all levels of organization.

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16
Q

emergent property at

the group level

A

Schooling of fish and

flocking of birds

17
Q

The movement of the

group is a result of

A

the
interaction of the
movements of the
individuals.

18
Q

The functioning of social insect colonies is an

A

emergent property

19
Q

Cells are the

A

Unit of Life

20
Q

All life is built from cells with certain characteristics

A

They are all enclosed by a membrane

They all use DNA as genetic information

21
Q

There are two main kinds of cells

A

Eukaryotic

Prokaryotic

22
Q

Eukaryotic cells

A

• Are subdivided by internal membranes into
various membrane-enclosed organelles
• Include animal and plant cells

23
Q

Prokaryotic cells

A
Lack the kinds of
membrane-enclosed
organelles found in
eukaryotic cells
• Bacterial cells are
prokaryotic
24
Q

The evolutionary view of life came into sharp
focus in 1859 when Charles Darwin published
On the Origin of Species by Natural Selection

A
  1. Descent with modification

2. Natural selection