Which sentence best describes the relationship between sporophyte and gametophyte in the moss life cycle?

a. Gametophytes originate within and are dependent upon sporophytes.
b. Gametophytes are photosynthetic and partially independent from the sporophytes.
c. Both gametophytes and sporophytes are totally independent from each other and are equally dominant.
d. Sporophytes originate within and are dependent upon gametophytes.


Answer: d. Sporophytes originate within and are dependent upon gametophytes.

Biology & Microbiology

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What molecule contributes to the red color of slow-twitch muscle fibers?  

A.  myoglobin B.  ATP C.  glycogen D.  lactic acid E.  fatty acids

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Most octopuses die early in life; those that

survive can live up to 5 years. Octopuses are best characterized by a type __ survivorship curve.

a. I b. II c. III d. more than one of these e. none of these

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The energy difference between the reactant glucose and oxygen molecules and the product water and carbon dioxide is 686 kilocalories, yet the 36 ATP molecules produced are only storing 263 kilocalories in their outermost phosphate bond. The rest of the energy went

What will be an ideal response?

Biology & Microbiology