ILL GIVE BRAINLIEST HELP ASAP! PLEASEEE AHHH Select the correct answer from each drop-down menu.

What are the components of DNA nucleotides?

DNA is a made up of molecules called nucleotides that each contain a (phosphate group, helium group, oxygen), a (carbon group, sugar group, hydrogen group), and a nitrogen base.

What would happen to the nutrients in an ecosystem if decomposers, such as bacteria, didn’t exist there?

What are the two causes of density in deep current waters? a. salinity (how much salt) of the water and high temperaturesb. salinity (how much salt) of the water and low temperatures c. oxygen content of the water and high temperatures. d. oxygen content of the water and low temperatures

Punnett squares are used to show possible combinations of alleles or to predict the probability of a trait occurring in offspring. an incomplete dominance cross is performed between a bird that is homozygous for red feathers and a bird that is homozygous for blue feathers. purple offspring result. then, two of the purple offspring are crossed. according to the punnett square for this cross, how many of the offspring from the second cross will have a feather color that results from incomplete dominance? 1 in 4 2 in 4 3 in 4 4 in 4