B3: Obtaining Nutrients Flashcards

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1
Q

Autotroph / autotrophic

A

Organisms that produce their own nutrients using environmental energy

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2
Q

Heterotroph/ Heterotrophic

A

Organisms that rely on ingesting or absorbing other organisms (plants, animals, etc) for nutrients

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3
Q

Endocytosis

A

Process by which single-celled organisms (i.e. amoeba) ingest food, by folding in a portion of their cell membrane and forming a food vacuole/ vesicle which will later be digested

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4
Q

Photosynthetic autotrophs

A

Autotrophs that have chlorophyll molecules that absorb sunlight to generate sugar through photosynthesis.

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5
Q

Chloroplasts/ Chlorophyll

A

Chloroplast - double membrane containing chlorophyll where photosynthesis takes place

Chlorophyll - natural compound in plants that gives them a green colour. It alos helps plants absorb the light from the sun and use it to undergo photosynthesis

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6
Q

Photosynthesis

A

Processed used by plants and some other organisms, to be able to convert light (sunlight) to energy, to fuel cell functions

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7
Q

Chemosynthetic Autotrophs

A

Autotrophs that harness energy relased by organic chemical compunds (i.e. sulfur), used by organisms that live in areas with no sunlight

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