Evolutionary trees are used in biochemistry to show how certain proteins are related and when they came into existence. below is an evolutionary tree for the made-up protein family, saplin. label the tree according to the statements about the protein family members, then answer the three questions.

Which of the following are energy solutions that release pollution into the air>

The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.

How do plants obtain more sunlight a.) they lean towards the light b.)they grow straight up c.) they only live in sunny areas, like the tropics d.) they stay low to the ground