Ecology Chapter 2/ biochemical, cycles/ hydrogen cycle Flashcards

1
Q

First law of thermodynamics

A

Energy cannot be created or destroyed, but can be transformed from one form to another

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2
Q

Second law of thermodynamics

A

During energy transfer, some energy is converted into a useable form called thermal energy

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3
Q

The suns energy

A
  1. Almost all energy is from the sun
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4
Q

Albedo

A

The amount of energy reflected by cloud, water, and land 

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5
Q

Trophic levels

A

Levels and ecosystems, which energy and matter are exchanged

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6
Q

First trophic level

A

(Producers )
Has all the chemical energy to fill otHer trophic levels

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7
Q

Other trophic levels

A

Called consumers or heterotrophs

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8
Q

Decomposers

A

Can feed at any trophic level

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9
Q

Food webs

A

Multiple feeding relationships in an ecosystem and multiple food chains in one diagram

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10
Q

Reactants and products of photosynthesis

A

(Reactants) solar energy, water, carbon dioxide —> glucose (sugar) and oxygen

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11
Q

Reactants and products of cellular respiration

A

(Reactants) sugar and oxygen —-> KINETIC and HEAT energy

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12
Q

Chemosynthesis

A

When non-photo synthetic organisms convert in organic chemicals to organic compounds without solar energy

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13
Q

How many trophic levels or food chains limited to

A

5

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14
Q

What is biochemical cycling

A

Cycling of nutrients from the environment to organisms and back to the environment

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15
Q

Organic matter

A

Compounds with carbon and hydrogen atoms

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16
Q

Decay

A

Decomposition of nonliving things which makes organic matter available for other living things

17
Q

Hydrological cycle

A

Movement of water through the biosphere

18
Q

Water

A

Universal solvent ,and organisms depend on water to transport nutrients to cells

19
Q

Cohesion

A

Attraction between the same two particles ex. Two water particles 

20
Q

Adhesion

A

The attraction between two different particles ex. 1 water and 1 glass particle 

21
Q

What is the biggest reservoir?

22
Q

Where is ground water?

A

In earths crust

23
Q

Evaporation

A

Liquid to vapour

24
Q

Condensation

A

Water vapour to liquid

25
Transpiration
Water vapour loss in plants (Cooling when it’s hot)
26
Precipitation
Rain, snow sleet, hail falling to the ground 
27
Runoff
More water than land can absorb (creeks streams ponds)
28
Percolation
Water flows horizontally through the soil and rocks because of gravity
29
Sublimation
The state change from solid water to water vapour
30
What is the hydrological cycle powered by?
Solar energy and gravity
31
Solar energy causes what
Causes the evaporation from soil, Plant, oceans, lakes, streams
32
What does gravity do?
Pulls it down as rain or snow
33
Fresh sources
Groundwater and surface water
34
Water table
Upper surface of ground water More rain = higher water table 
35
Acid deposition
Acid water getting evaporated = acid rain 
36
Water as a solvent
Dissolves, nutrients;nitrates and phosphates CYCLES CO2 and O2 also in water Essential for photosynthesis and cellular respiration