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Biology > ecosystem > Flashcards

ecosystem Flashcards

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AP® Biology flashcards Biology 101 flashcards
1
Q

Definition of nutrition

A

a way for an organism to obtain nutrients and energy from the food for its life proocesses

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2
Q

Two types of nutrition

A

Autotrophic nutrition and Heterotrophic nutrition

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3
Q

Definition of autotrophic nutrition

A

nutrition organism synthesise own food

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4
Q

Definition of heterotrophic nutrition

A

nutrition organism obtain food from the surrounding

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5
Q

Two types of autotrophic

A

Photoautotrophic and Chemoautotrophic

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6
Q

Three types of heterotrophic

A

Saprotrophic, Holozoic and Parasitic

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7
Q

Definition of photoautotrophic nutrition

A

nutrition where photoautotrophs synthesise complex organic compounds from CO2 with light energy

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8
Q

About photoautotrophs

A

synthesise own food via photosynthesis

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9
Q

Example of photoautotrophs

A

Green plants

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10
Q

Definition of chemoautotrophic

A

nutrition chemoautotroph synthesise organic compounds without using light

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11
Q

About chemoautotroph

A

Organism that gain energy from oxidation of inorganic substances such as hydrogen sulphide and ammonia thru chemosynthesis

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12
Q

Example of chemoautotroph

A

nitrobacter

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13
Q

Definition of saprotrophic

A

nutrition where saprotrophs gain nutrients from dead and decaying organic substances

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14
Q

About saprotrophic

A

digestion occurs outside body, before nutrients are absorbed

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15
Q

Example of saprotroph

A

Fungi

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16
Q

Definition of holozoic

A

the organism survives by eating solid organic substances, then digested and absorbed into the body

17
Q

Example of holozoic

A

Human and most animals

18
Q

Definition of parasitic

A

nutrition organism absorb nutrients from the host

19
Q

Example of parasites

A

fleas and tapeworms get nutrients from human hosts

Biology (3 decks)

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