Before mitosis begins, a cell makes a copy of the DNA in the nucleus. What term is used to describe this process of making an exact copy of the DNA?
A) respiration
B) fertilization
C) hybridization
D) replication

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?

Imagine that certain laws of physics could be ignored and you were able to travel vast distances in moments. now imagine that you traveled to an earth-like planet located light-years away that is known to support life. think about what you’ve learned in this unit and make an argument for what you think would be the dominant type of life form on this planet. consider whether a notochord is required for an organism to manipulate its environment and become a dominant creature.

Look at the photo of the leaf. which term best describes this leaf?