How is exercise beneficial to your cardiovascular health a it you prevent lung infections b it improves the flow of oxygen to the cells in your body c it keeps the neurons firing fast back and forth to the brain

5) these are organisms where the genetic material is not bound by a nucleus. they are usually unicellular.

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Agenus is a taxonomic grouping that identifies a collection of species. when a scientist discovers a new species, how is this species assigned to a genus