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Science 2019 Semester 2 Exam > Ecosystems > Flashcards

Ecosystems Flashcards

1
Q

What are biotic factors?

A

The living things that exist in the environment such as predators and parasites

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2
Q

What are abiotic factors?

A

The non-living things that exist in the environment such as soil and water

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3
Q

What is photosynthesis?

A

An anabolic process that is the ultimate source of cell energy, which captures solar energy

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4
Q

What does the captured solar energy in photosynthesis convert into?

A

Storage molecules such as starch and glucose

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5
Q

What is the equation for photosynthesis?

A

6CO2 + 6H2O + Energy = C6H12O6 + 6O2

Carbon Dioxide and Water = Glucose and Oxygen

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6
Q

What is cellular respiration?

A

A set of metabolic reactions and processes that take place in the cells of organisms

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7
Q

What is converted and released during cellular respiration?

A

Biochemical energy from nutrients is converted into adenosine triphosphate and waste products are released

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8
Q

What is the equation for cellular respiration?

A

C6H12O6 + 6O2 = 6CO2 + 6H2O + 36ATP

Glucose and Oxygen = Carbon Dioxide, Water and Energy

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9
Q

What does water do during the water cycle?

A

Does not change its chemical form, only changing state of matter

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10
Q

What is the energy source for water?

A

The sun

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11
Q

What is carbon recycled through?

A

Living and non-living parts of the ecosystem

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12
Q

What do producers do with carbon dioxide?

A

Take up carbon dioxide and build it into organic molecules for use

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13
Q

Where can nitrogen be present?

A

Organic or inorganic matter

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14
Q

What do decomposers do?

A

Break down dead plant and animal mater into ammonia

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15
Q

What is aerobic respiration?

A

The burning of glucose molecules in the presence of oxygen

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16
Q

What does aerobic respiration release?

A

High amounts of energy and produces carbon dioxide, water and ATP

17
Q

What is ATP?

A

Adenosine triphosphate, which is a chemical compound that provides energy

18
Q

What is the equation for aerobic respiration?

A

C6H12O6 + 6O2 = 6CO2 + 6H2O + 36ATP

Glucose and Oxygen = Carbon Dioxide, Water and Energy

19
Q

What is anaerobic respiration?

A

Respiration that occurs without using oxygen and takes many different forms

20
Q

What Is a frequent form of anaerobic respiration?

A

Fermentation, the partial breakdown of glucose

21
Q

What does anaerobic respiration release and produce?

A

Low amounts of energy, fermentation, ethanol, ATP and carbon dioxide

22
Q

What is the equation for anaerobic respiration?

A 
C6H12O6 = 2C2H5OH + 2CO2 + 2ATP
Glucose = Fermentation, Carbon Dioxide and Energy

Science 2019 Semester 2 Exam (5 decks)

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