The substances in cells are built up and broken down
during development and metabolism. These processes
are examples of what?

Fan egg cell containing the (n+1) number of chromosomes combines with a sperm cell containing the (n) number of chromosomes, what is the result of this union? a) all future somatic cells of the organism will contain the (2n + 1) number of chromosomes. b) all future somatic cells of the organism will contain the (2n - 1) number of chromosomes. c) only certain somatic cells of the organism will contain the (2n + 1) number of chromosomes. d) all future somatic cells of the organism will contain the normal diploid number of chromosomes.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement