Gradual changes in the frequency of diseases over long periods are known as SECULAR TIME TRENDS. For example, the rate of mortality in USA due to coronary heart diseases over a period of time. Onset of puberty in girls is also a secular time trend.
Secular time trend is also referred as Secular Variation and Secular Drift.
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A hypothesis mustn't be too detailed since you are about to take the experiment and not sure of the outcome so we have to stick with Light intensity has an impact on the rate of photosynthesis.
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Types of biological macromolecules
Biological macromolecule Building blocks Examples
Lipids Fatty acids and glycerol Fats, phospholipids, waxes, oils, grease, steroids
Proteins Amino acids Keratin (found in hair and nails), hormones, enzymes, antibodies
Nucleic acids Nucleotides DNA, RNA
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Lizards / Reptiles
(Scientific four-legged snake is: Tetrapodophis)
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couldn't add answer ^^ ignore comment :-)
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Relief, elevation, and landforms
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Topography is the shape of a land. It's elevation, land form, and relief.
