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BIO Enviromental Science > Chapter 2 > Flashcards

Chapter 2 Flashcards

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Biology 101 flashcards
1
Q

a network of interdependent components and processes

A

System

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2
Q

a complex assemblage of animals, plants and their environment, through which materials and energy move

A

Ecosystem

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3
Q

system where elements can enter and leave

A

Open System

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4
Q

System where elements don’t enter or leave

A

Closed System

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5
Q

energy and matter that flows through a system

A

throughput

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6
Q

Substances that cannot be broken down into simpler forms by ordinary chemical reactions

A

Elements

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7
Q

smallest unit of elements

A

Atom

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8
Q

Fundamental unit of life

A

Cells

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9
Q

use energy, air, and water to make carbs

A

Primary Producer

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10
Q

uses light energy

A

Photosynthesis

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11
Q

inorganic chemical compounds

A

Chemosynthesis

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12
Q

Function: immediate Energy (cellular respiration)

A

Carbohydrates

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13
Q

Function: Long term energy storage (Cell Membranes)

A

Lipids

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14
Q

Function: Cell Membrane, lots of others

A

Proteins

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15
Q

Function: Genetic Information, DNA, RNA

A

Nucleic Acids

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16
Q

all organisms that are genetically similar enough to breed and produce live, fertile offspring

A

Species

17
Q

all the members of a species living in a given area at the same time

A

Population

18
Q

all the populations of organisms living in a particular area

A

Community

19
Q

a biological community and its physical environment

A

Ecosystem

20
Q

organisms feeding status

A

Trophic Levels

21
Q

Cleans up dead carcasses

A

Scavenger

22
Q

Consumes Litter, debris, and dung

A

Detritivores

23
Q

final breakdown and recycling of organic materials

A

Decomposers

24
Q

Water leaving Plants

A

Transpiration

25
Q

take in CO2 - photosynthesis turns it into sugars - sugars stored in plant.

  • plant dies and decaying material releases CO2 into atmosphere
  • OR plan is buried - fossil fuel - dug up and burned - Released CO2
A

The Carbon Cycle

26
Q

Plants get N form Bacteria that lives in the roots - build proteins - same recycling process as Carbon Cycle

A

Nitrogen Cycle

27
Q

Released from Rocks - Plants take it up - organic molecules - cycles through ecosystem

A

Phosphorous Cycle

28
Q

_____ is released by:

  • weathering of rocks
  • emissions from deep seafloor vents
  • volcanic eruptions
  • releasing form bacteria
  • burning fossil fuels
  • Acidic Rain*
A

Sulfur

BIO Enviromental Science (4 decks)

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