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Photosynthesis in Organisms

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Questions and Answers

Which of the following organisms are not prokaryotes?

Mycoplasma

Euglena (correct)

Bacteria

Blue-green algae

What is a defining characteristic of prokaryotes?

They are multicellular.

They have a nucleus.

They perform photosynthesis.

They lack membrane-bound organelles. (correct)

They have a cell wall.

Which of the following organisms can perform photosynthesis?

Amoeba

Mycoplasma

Euglena (correct)

Paramecium

What is a characteristic that distinguishes protists from prokaryotes?

<p>Protists have a nucleus. (E)</p> Signup and view all the answers

Which of the following best describes the role of photosynthesis in the living world?

<p>It is the primary source of energy for all living organisms. (B)</p> Signup and view all the answers

Flashcards

Photosynthesis

The process by which plants and other organisms convert light energy into chemical energy.

Protists

Eukaryotic microorganisms, often unicellular, that lack complex tissue structure.

Examples of Protists

Common types of protists include paramecium, euglena, and amoebas.

Prokaryotes

Single-celled organisms without a nucleus or membrane-bound organelles.

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Role in Ecosystem

Photosynthetic organisms provide food for themselves and most of the living world.

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Study Notes

Photosynthesis Organisms

Photosynthesis occurs in plants, algae, certain protists, and some prokaryotes.

Protists

Protists are eukaryotes.
Protists have various organizational forms: unicellular, colonial, filamentous, or parenchymatous.
Protists lack vegetative tissue differentiation (except for reproduction).
Examples of protists include paramecium, euglena, and amoebas.

Prokaryotes

Prokaryotes are single-celled organisms.
Prokaryotic cells lack a nucleus and other membrane-bound organelles.
Examples of prokaryotes include blue-green algae, bacteria, and mycoplasma.

Food Source

These photosynthetic organisms are a crucial food source for most living things.

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Description

Explore the fascinating world of photosynthetic organisms, including plants, algae, and certain protists and prokaryotes. This quiz covers their unique characteristics and roles in ecosystems, particularly as vital food sources for various life forms. Test your understanding of these biological concepts and classifications.