A student was experimenting with measuring the volume of different objects. He compared the mass of 100 g of a sponge piece to another 100 g of the jewelry box. Will the 100g of a sponge piece have more mass than the 100g of the jewelry box? Why?.

Hint: the comparison is related to the matter

What word is used to describe differences of individual organisms

In a certain ecosystem owls are predators for mice. the owl population increases and they eat more mice this causes the mouse population to decrease what happens next? a. the birth of mice increases. b. the birth rate of owls increases c. the population of owls decreases d. the population of mice increases

If the coding part of an mrna molecule is 1800 nucleotides (bases) in length, this molecule will contain codons and code for a polypeptide that is amino acids long.