What does the smooth er do in the plant cell

Using the periodic table, determine which material is most likely a good conductor

The ancestors of plants that lived in water had plenty of water for the young. angiosperms are a group of land plants that evolved a reproductive trait for living on land. this trait protect young plants by allowing them to grow only when water is present and the conditions for healthy development are right. what trait most likely young angiosperms in this way?

To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a