Why are the abiotic factors important for the survival of the biotic factors in an ecosystem

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

Earthquakes a.created the rock in arches utah b.can be caused by volcanic eruptions c.are caused by tsunami waves d.wear mountains down into hills

Which of the following statements about genes and traits is true? a single trait can be controlled by multiple genes. a single gene can control a single trait. a single trait can alter multiple genes. a single gene can influence multiple traits.