Like I don’t get how do I do this and what’s the answer plz help

Which direction does the energy flow in this energy pyramid ?

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box

Which of the following statements is true regarding a basic amino acid? a.) the hydrophilic r group of a basic amino acid will be located on the interior of a protein b.) the positively charged r group of a basic amino acid could bind dna c.) the r group of a basic amino acid would only be able to form covalent bonds with other molecules d.) a basic amino acid would be considered both polar and hydrophobic e.) all of the above