The Microbial World

Marine microbes that photosynthesize and provide energy to the food web are called:

• photospores

• primary producers

• endospores

• bateriophages

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Prokaryotes do not have

• DNA

• cell walls

• membrane bound organelles

• ribosomes

Decay bacteria

• photosynthesize sugars

• chemosynthesize sugars

• use pigments to capture sunlight

• break down organic matter and release nutrients

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Autotrophic prokaryotes produce sugars by

• photosynthesis

• chemosynthesis

• photosynthesis or chemosynthesis

• decaying organic matter

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Archaea are known as "extremophiles" because

• they can live in very deep water

• they can live in really hot water

• they can live in really salty water

• all answers are correct

Where does photosynthesis take place in photosynthetic bacteria?

• chloroplasts

• cytoplasm

• cell membrane

• golgi apparatus

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Unicellular algae carry out photosynthesize in their

• cell membrane

• chloroplasts

• cell wall

• nucleus

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Diatoms have a two part cell wall (frustule) made of

• cellulose

• silica

• lipids

• glucose

Diatoms appear golden-brown from this extra photosynthetic pigment

• chlorophyll

• phycocyanin

• phycoerythrin

• carotenoid

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NGSS.MS-LS1-6

These are the most important temperate and polar open-water primary producers

• diatoms

• dinoflagellates

• cyanobacteria

• kelp

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