Which of the following best describes the purpose of the chromosomes in the nucleus of a cell?
A
to package the genetic material needed to specify traits
B ) to release energy by breaking down food molecules
(c to transport nutrients into and out of the cell
(D) to protect the cells from microorganisms

Facilitates growth and change in neurons and the migration of neurons to different sites in the brain

Check all that apply diatoms are marine algae that have a shell made of silica, what are some of the uses of the silica shell after the diatoms die? 1.the shells make up the diatomaceous earth used in filters 2.it can be used as an ingredient in abrasives 3.they are used in food products 4.the shells can be used in some insulating materials

Competition occurs between species when