What is the Process by which DNA is copied before mitosis?

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

What type of plant is good for a bioassay and where can i buy it? i only have a month.

Which is a function of vascular tissue? a. to perform photosynthesis b. to transport water and nutrients c. to absorb minerals and sugar d. to interact with soil fungi