Use the Following Information to Answer the Questions Below

question 27

Multiple Choice

Use the following information to answer the questions below.
You have learned about research conducted during the 1930s by van Niel, who studied photosynthesis in bacteria, which were observed to not release O₂ even though they fixed CO₂.
-These organisms were confounding because the prevailing hypothesis at that time was that

• A)autotrophs released O₂ from the splitting of CO₂ to make sugars.
• B)autotrophs didn't use CO₂.
• C)CO₂ was released and oxygen used up during photosynthesis.
• D)only heterotrophs released O₂ while fixing carbon.
• E)the process of photosynthesis was unknown at this time.

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Definitions:

Born

The process of coming into life or beginning existence.

Mate Assistance Hypothesis

A theory proposing that monogamy can evolve when males gain more reproductive success by providing care and protection to their mate and offspring than by seeking additional mates.

Mate Limitation Hypothesis

A theory suggesting that the availability of potential reproductive partners limits the reproductive success of individuals, particularly in populations with skewed sex ratios.

Monogamy

The practice of maintaining a sexually exclusive relationship with one partner over a period of time.