Giving brain liest for whoever does this IN ITS DIRECTIONS tysm :)) please also in your own words but if its a little online thats ok PLEASE HELP:) i need a pro to help me please

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

Imagine you are introducing the lac operan and the trp operon to students who have never learned about it before. complete the table to compare the similarities and differences between the two operons

Select the correct answer. which mutation is harmful to the organism? a. a mutation allowing moths to camouflage better on blackened tree bark b. a mutation making staphylococcus aureus resistant to the antibiotic methicillin c. a mutation inhibiting human immunodeficiency virus from attaching to and entering the cell d. a mutation causing uncontrolled cell division e. a mutation giving plant leaves a bitter taste to discourage herbivores from eating them