According to the National Heart, Lung, and Blood Institute, adults need around seven to eight hours. For teenagers they recommend nine to ten, and at least ten for children.
I think the correct graph would have light intensity on the x-axis (because light intensity is the independent variable) and a measure of photosynthetic rate (either O2 evolution or CO2 consumption) on the y-axis (because the rate of photosynthesis is the dependent variable)... hope this helps
Ans.
Gametophyte shows haploid, gamete-forming stage of plant's life cycle, while sporophyte shows diploid, spore-forming stage of plant's life cycle. In green algae, gametophytes and sporophytes are isomorphic (indistinguishable). In bryophytes, such as mosses, gametophyte shows dominant stage as it is most visible stage in their life-cycle. In vascular plants, such as ferns and seed plants, sporophytes show dominant stage.
Thus, 'seed plants show briefest gametophyte stage' and 'mosses show longest gametophyte stage.'
Don’t want the money. It’s the third option met, Val, lys, arg, glu, ser
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