Plants that are grown from undifferentiated cells of leaves, stems, or roots are produced by A) fusion of spores
B) vegetative propagation
C) sexual reproduction
D) fission of gametes

Please help its due in two hours.

In which process is oxygen absorbed by an organism asap apex

1. variations in a population of moths allow for some of its members to be able to adapt to environmental changes. the better adapted of the moths will be able to survive the change and thus prevail as the “fittest” of the species. (a) describe three mechanisms in which variation can occur within a species population. (b) explain which mechanism or mechanisms would be responsible for the survival of a population of peppered moths better than white moths in an environment affected by industrial soot. justify your answer.

How does the nervous system affect the excretory system?