Which of the following is a density independent limiting factor

Ineed the definitions of all of these words nasap i will give 1o points to whoever awnsers

Sarah is sitting at the top of the slide in the schools playground. which will increase sarah’s kinetic energy a- an additional child is added to the top of the slide. b- sarah is pushed and moves down the slide. c- sarah climbs down the ladder and off the slide. d- the ladder is moved to the other side of the yard.

How many copies of each chromosomes should be present in each of the 4 final haploid versions of gamete?