EASY SCIENCE QUESTION NEED HELP URGENTLY In mitosis, replication occurs before the cell divides. What is the purpose of replication?
1) to provide each new cell with an exact duplicate of the original DNA
2) to transfer half of the traits of the parent cell to each new daughter cell
3) to remove defective base pairs from the DNA before the parent cell divides 4)to divide the parent cell's genes equally between the two new daughter cells​

7th grade question (easy) look at the diagram of the food web. the arrows mean eaten by. what would happen if the number of snakes went down? answer choices are in the image.

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.

Suppose you use three different scale to weigh a bag of organges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of organges is 2.153 lb. which of the following best decribes these results?