Which of the Following Explains Why Photosynthesis Is Widely but Discontinuously

question 118

Multiple Choice

Which of the following explains why photosynthesis is widely but discontinuously distributed throughout the eukaryotic tree?

• A)Photosynthesis was acquired early in evolution, but then lost.
• B)Photosynthesis was acquired multiple times through endosymbiosis.
• C)All eukaryotes are capable of photosynthesis, but it is repressed in some cases.
• D)Some eukaryotes evolved photosynthetic pathways separate from chloroplasts.

Understand the structure and function of components within the carpel.

Describe the process and significance of double fertilization.

Identify and explain the ploidy levels of different cells in flowering plants.

Explain the role and development of male and female gametophytes.

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