Questão 1
Questão
An environment consists of complex networks of interlinked systems.
Questão 2
Questão
What is a system?
Responda
-
A bunch of different parts working together to accomplish different goals.
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A bunch of different parts working together to accomplish the same goal.
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One part working to accomplish many different goals.
Questão 3
Questão
Without a part, the system will still work properly.
Questão 4
Responda
-
Pull something out of the system.
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Put something into the system
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Take something away from the system
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Don't do anything to interact with the system
Questão 5
Questão
System outputs _?
Questão 6
Questão
A system output can serve as a input.
Questão 7
Questão
What are the types of feedback loops?
Responda
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Positive
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Electron
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Neutral
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Negative
Questão 8
Questão
In a negative feedback loop, the output acts as an input that moves the system, in a new direction.
Questão 9
Questão
Most systems do not use a negative feedback loop.
Questão 10
Questão
A negative feedback loop pushes towards _.
Responda
-
equilibrium
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preservation
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combustion
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unsustainability
Questão 11
Questão
A positive feedback loop has the opposite effect of the negative feedback loop.
Questão 12
Questão
A positive feedback loop pushes towards _.
Responda
-
combustion
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stable situations
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unstable situations
Questão 13
Questão
Positive feedback loops are rare in nature.
Questão 14
Questão
What is the lithosphere?
Questão 15
Questão
What is the atmosphere?
Questão 16
Questão
What is the hydrosphere?
Responda
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All land
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All water
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Everything but water
Questão 17
Questão
What is the biosphere?
Responda
-
Total of all the planet's biotic and abiotic components.
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Total of all the planet's biotic components
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Total of all the planet's abiotic components
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Total of all the planet's water
Questão 18
Questão
Eutrophication is the process of nutrient over-enrichment.
Questão 19
Questão
Chemistry does not play a central role in many environmental challenges.
Questão 20
Questão
All material that has mass and occupies space is matter.
Questão 21
Questão
Laws of Conservation of Matter
Questão 22
Questão 23
Questão
An element cannot be broken down into any other substances with other properties.
Questão 24
Questão
Each element is composed of
Responda
-
atoms
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three neutrons
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element
Questão 25
Questão
An atom is the smallest component that maintains the chemical properties of the element.
Questão 26
Questão
Each atom has a nucleus with
Responda
-
protons
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neutrons
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electrons
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proteins
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chemicals
Questão 27
Questão
An element will always have the same number of
Responda
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protons
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neutrons
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electrons
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nuclei
Questão 28
Questão
An element can have different numbers of neutrons or electrons.
Questão 29
Questão 30
Questão
Ions are positively charged.
Questão 31
Questão
Ions are atoms that can gain or lose
Responda
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protons
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nuclei
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neutrons
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electrons
Questão 32
Responda
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measures oxygen
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measures hydrogen
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measures carbon
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measures nitrogen
Questão 33
Questão
Hydrogen ions and whether they are acidic or basic is
Responda
-
counted on a balance
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measured on a pH scale
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measured on a pH ruler
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oberserved
Questão 34
Responda
-
the combination of two or more atoms
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the combination of two atoms
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the combination of four of the same atoms
Questão 35
Questão
Molecules composed of two or more different elemets are called compounds.
Questão 36
Questão
Organic compounds are
Responda
-
Carbon atoms bonded to hydrogen atoms
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Hydrogen atoms bonded to hydrogen atoms
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Carbon atoms bonded to carbon atoms
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Nitrogen atoms bonded to carbon atoms
Questão 37
Questão
Polymers are long chains of repeated molecules.
Questão 38
Responda
-
compounds of hydrogen and carbon
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compounds of hydrogen and nitrogen
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compounds of carbon and nitrogen
Questão 39
Questão
Macromolecules are
Responda
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Large molecules
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Small molecules
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Medium molcules
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Microscopic molecules
Questão 40
Questão
What are three essential macromolecules?
Responda
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Carbohydrates
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Nucleic acids
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Lipids
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Proteins
Questão 41
Questão
Proteins are made up of chains of amino acids.
Questão 42
Questão
Amino acids do not determine the identity of proteins.
Questão 43
Questão 44
Questão
Amino acids are the building blocks of life.
Questão 45
Questão
Nucleic acid direct protein production.
Questão 46
Questão
Nucleic acid carries
Responda
-
protein information
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genetic information
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mental information
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carbohydrate information
Questão 47
Questão
What are the two types of nucleic acid?
Questão 48
Questão
Carbohydrates are
Responda
-
simple sugars
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complex sugars
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simple proteins
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nucleic acids
Questão 49
Questão
What are the two major types of energy?
Responda
-
Combustion energy
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Potential energy
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Wind energy
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Kinetic energy
Questão 50
Questão
Potential energy is the energy of
Responda
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position
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chemicals
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atoms
-
motion
Questão 51
Questão
Kinetic energy is the energy of
Responda
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poisition
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chemicals
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wind
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motion
Questão 52
Questão
Chemical energy is potential energy in the bonds of atoms.
Questão 53
Questão
Why is it important to have energy?
Responda
-
To do anything
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To run
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To do nothing
Questão 54
Questão
In the First Law of Thermodynamics, energy cannot be created or destroyed, but can change forms.
Questão 55
Questão
In the Second Law of Thermodynamics,
Questão 56
Questão
The Earth's energy comes from the moon.
Questão 57
Questão
Autotrophs are also know as consumers.
Questão 58
Questão
Autotrophs are known as producers.
Questão 59
Responda
-
Use the sun's energy to produce their own food
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Use the sun's energy to decompose
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Do not use the sun's energy to produce their own food
Questão 60
Responda
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turn chemical energy into light energy
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turn light energy into chemical energy
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turn light energy into soil
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turn chemical energy into wind energy
Questão 61
Questão
In photosynthesis, carbon dioxide and water are converted into sugars.
Questão 62
Questão
The components of photosynthesis are
Responda
-
Carbon dioxide
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Water
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Shade
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Sunlight
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Soil
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Sugar
-
Nitrogen
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Oxygen
Questão 63
Questão
Heterotrophs can produce their own food.
Questão 64
Questão
What are the components of cellular respiration?
Responda
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Water
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Energy
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Carbon dioxide
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Sunlight
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Sugar
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Oxygen
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Monoxide
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CO2
Questão 65
Questão
Energy is kept as heat in a one-way flow through the system.
Questão 66
Questão
An ecosystem is all of the organisms and non-living entities in a particular area at the same time
Questão 67
Questão
Primary production is the
Responda
-
conversion of solar energy to sugars
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conversion of sugars to solar energy
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conversion or water to gas
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conversion of solar energy to wind energy
Questão 68
Questão
Gross primary production is the
Responda
-
use of energy made by the heterotrophs themselves
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use of energy made by the plants themselves
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use of atoms made by the plants themselves
Questão 69
Questão
Net primary production is energy left over to put into biomass.
Questão 70
Questão
All ecosystems produce biomass at the same rate.
Questão 71
Questão
Elements and compounds are consumed and required for survival of organisms.
Questão 72
Responda
-
7 protons, 7 neutrons
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4 protons, 7 neutrons
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4 protons, 4 neutrons
Questão 73
Responda
-
7 protons, 7 neutrons
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15 protons, 15 neutrons
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17 protons, 17 neutrons
Questão 74
Responda
-
7 protons, 7 neutrons
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7 protons, 8 neutrons
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8 protons, 8 neutrons
Questão 75
Responda
-
7 protons, 6 neutrons
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6 protons, 6 neutrons
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6 protons, 7 neutrons
Questão 76
Questão
Carbon dioxide is a colorless gad used by plants for photosynthesis, given off by repiration, and released by burning fossil fuels.
Questão 77
Responda
-
chemical bonds formed by the attraction between positively charged ions.
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chemical bonds formed by the attraction between oppositely charged ions.
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chemical bonds formed by the attraction between negatively charged ions.
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chemical bonds formed by the attraction between neutrally charged ions.
Questão 78
Questão
A watershed is the entire area of a river from when a pipe drains into an ocean.
Questão 79
Questão
Hypoxia is the condition of extremely low dissolved oxygen concentrations in a body of water.
Questão 80
Questão
A covalent bond is a chemical bond formed by atoms "sharing" electrons.
Questão 81
Questão
What is a solution?
Responda
-
A mixture of substances in which elements, molecules, or compounds come together without chemically bonding.
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A mixture of substances in which elements, molecules, or compounds come together with an ionic bond.
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Plasma
Questão 82
Questão
Methane is a colorless gas produced primarily by anaerobic decomposition.
Questão 83
Responda
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is a molecule consisting of three oxygen atoms
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absorbs ultraviolet radiation in the atmosphere
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absorbs ultraviolet radiation in the stratosphere
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is a molecule consisting of four oxygen atoms
Questão 84
Questão
What happens in biogeochemical cycles?
Responda
-
Nutrients cycle through the stratosphere, hydrosphere, and lithosphere.
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Chemicals cycle through the atmosphere, hydrosphere, and lithosphere.
-
Nutrients cycle through the atmosphere, hydrosphere, and lithosphere.
Questão 85
Questão 86
Questão
A source is a reservoir that releases more nutrients than they accept
Questão 87
Questão
In a sink, the reservoir accepts more than it releases.
Questão 88
Questão
What are the three forms of the hydrolytic cycle?
Questão 89
Questão
Water gets into the atmosphere only by evaporation.
Questão 90
Questão
What is transpiration?
Responda
-
Evaporation from plants
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Evaporation from snow
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Evaporation in general
Questão 91
Questão
Runoff is water flowing over land.
Questão 92
Questão
Human have only impacted some aspects of the water cycle.
Questão 93
Questão
How have we impacted the water cycle?
Responda
-
Overfilled water sources
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Decreased evaporation
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Depleted water sources
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Reduced transpiration
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Increased transpiration
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Increased evaporation
Questão 94
Questão
Carbon is a part of every living thing.
Questão 95
Questão
Producers pull _ from the atmosphere.
Questão 96
Questão
Producers put some CO2 back into the atmosphere.
Questão 97
Questão
CO2 becomes incorporated into the tissues of _ and _.
Responda
-
plants, air
-
plants, insects
-
animals,insects
-
plants,animals
Questão 98
Questão
Settles into _ when organisms die.
Questão 99
Questão
What is the largest reservoir of carbon?
Questão 100
Questão
Putting too much CO2 into the air is a major climate change argument.
Questão 101
Questão
Shifted from _ to atmosphere.
Responda
-
hydrosphere
-
lithosphere
-
stratosphere
Questão 102
Questão
Nitrogen makes up how much of our atmosphere?
Questão 103
Questão
Nitrogen is essential.
Questão 104
Questão
Nitrogen needs what to help itself cycle.
Responda
-
Bacteria
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Thunder
-
Lightning
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Atoms
Questão 105
Questão
How many steps are in the nitrogen cycle?
Questão 106
Questão
Nitrogen has to be "fixed" before it can be used.
Questão 107
Questão
Through what step of the nitrogen cycle do plants take up nitrates?
Responda
-
Deneitrification
-
Nitrification
-
Nitrogen fixation
Questão 108
Questão
How have humans impacted the nitrogen cycle?
Questão 109
Questão
Phosphorus is found in the atmosphere.
Questão 110
Questão
The majority of phosphorus is found in
Responda
-
rocks
-
plants
-
animals
-
water
Questão 111
Questão
When rocks are weather, the phosphorus runs into the water and
Questão 112
Questão
Plants do not take up phosphorus.
Questão 113
Questão
How have humans impacted the phosphorus cycle?