3. Which of the following BEST describes the main advantages a nucleus provides for a cell? The nucleus organizes the DNA and allows for careful regulation of gene expression.
The nucleus organizes waste transport and protein synthesis for the cell.
The nucleus houses the DNA and RNA for the cell.
The nucleus can harness energy from the sun and convert it to a form the cell can use.

The return of the wolf to yellowstone national park will probably affect the bird population to some degree, not significantly. while wolves will hunt birds when necessary, they prefer to hunt larger prey. the bird population will most likely only be affected when hunting is scarce for the wolves. birds of prey will also probably not be affected as much as other birds who spend more time on the ground hunting for food as the tend to spend more time in the air or in trees since they do not need to stay on the ground for long due to the nature of the way they hunt.