Which activity is essential for all others to take place?

excretion
growth
movement
restoration

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

Most animal cells membranes have proteins that pump ions out of the cell and potassium ions into the cell

Atest cross can be used to -predict the phenotypes of a monohybrid cross -predict an unknown genotype of a purebred dominant plant -cross-breed dominant and recessive plants -give probabilities that a trait will appear