An inadequate intake of during pregnancy is associated with an increased risk of neural tube defects in the fetus

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

If the rna molecule in a human has the nucleotide sequence of guu, this would the amino acid valine would be needed to make the protein. how would this cha process was occurring in a mushroom?