Why does water move into the roots of plants?

Use the drop down menus to match each example to the fossil topic discussed then to show how the fossil record gives evidence of evolution

What are two ways that harvesting algae from the ocean may benefit human society? how might the harvest of algae negatively impact the ocean communities where that algae grows? how could this be prevented?

Select the correct answer from each drop-down menu. the lac operon in e. coli regulates genes that code for enzymes required for breakdown of lactose. the lac operon is operon that is activated in the presence of .