[Campbell Biology P.237] According to the text and Figure 10.2, which of the following organ... | Practice Question

According to the text and Figure 10.2, which of the following organisms are classified as photoautotrophs?

  • A: Plants
  • B: Most fungi
  • C: Multicellular algae (e.g., kelp)
  • D: Unicellular protists (e.g., Euglena)
  • E: Cyanobacteria
  • F: Purple sulfur bacteria
  • G: Animals

Explanation

The text explicitly states that plants are photoautotrophs and that photosynthesis also occurs in algae both multicellular like kelp and unicellular , certain other protists like Euglena , and some prokaryotes, specifically mentioning cyanobacteria and purple sulfur bacteria. Fungi and animals are heterotrophs.