Chapter 1 Flashcards

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1
Q

Species

A

A unique type of organism, produce offspring/ designated by genus name and specific epithet

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2
Q

Biology

A

The scientific study of life.

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3
Q

Atom

A

Smallest unit of matter

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4
Q

Molecule

A

Atoms that are bonded together

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5
Q

Cell

A

Smallest unit of life

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6
Q

Tissue

A

specific cells organized in a particular pattern

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7
Q

Organ

A

structure. composed of tissues that carry out a certain task

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8
Q

Organ system

A

set of interacting organs and tissues that fulfill one or more body functions

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9
Q

Organisms

A

individual that consists of one or more cells

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10
Q

Population

A

group of interbreeding individuals. of the same species living in a given area

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11
Q

Community

A

consists of all populations of all species in a given area

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12
Q

Ecosystem

A

community interacting with its physical and chemical. environment through the transfer of energy and materials

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13
Q

Biosphere

A

sum of ecosystems

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14
Q

Nutrient

A

substance an organism needs for growth and. survival and cannot make for itself

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15
Q

Producer

A

makes its. own food using energy and simple raw materials it obtains from the nonbiological sources

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16
Q

Photosynthesis

A

plants use energy of sunlight. to make sugars from carbon dioxide and water

17
Q

Consumer

A

obtains energy and nutrients by feeding on other organisms

18
Q

Homeostasis

A

organism with an internal environment with ranges that favor cell survival/ aka center peace

19
Q

DNA

A

guides ongoing cellular activities that sustain. the individual through its lifetime

20
Q

Growth

A

increases cell number, size, and volume

21
Q

Reproduction

A

process by which individuals produce offspring

22
Q

development

A

multicelled species, the process by which the first cell of a new individual gives rides to an adult.

23
Q

inheritance

A

the transmission of DNA to offspring

24
Q

Bacteria

A

largest most diverse and well known group of prokaryotes

25
Q

Archaea

A

group of prokaryotes that are most related to. eukaryotes than bacteria

26
Q

Prokaryotes

A

Single celled organisms with no nucleus

27
Q

Eukaryotes

A

organisms with cells that have a nucleus

28
Q
A