How can your weight vary but your mass can remain the same?

Gravity on Earth is 9.780327 m/s^2 while on the moon it is 1.622 m/s^2. So therefor 1 kilogram on earth is 9.8 newtons and 1 kilogram on the moon would be 1.6 newtons. So your weight can vary on different planets but the mass stays the same because (gravity).

sexual reproduction produces offspring with novel combinations of genes. species that reproduce sexually must maintain two different types of individuals, males and females, which can limit the ability to colonize new habitats as both sexes must be present.

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

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