Answer:

16 Predation

17 The Prey Population Is Kept At A stable rate so it doesnt overpopulate while the predator receive nutrients to survive

18 Parasitism

19 Parasitism can influence host behavior and can also regulate the host population

20 The picture is not clear but i would assume its Predation if the fish is eating the plants please correct me if the picture shows different

21 Predation regulates the prey population so it doesnt overgrow and affect other species

22 Predation

23 Predation regulates the prey population so it doesnt overpopulate and harm other species

24 Commensalism

25 The benefactor(the bird) benefits greatly from the host(tree) while not affecting the host allowing for an imteraction where although the only one benefits the other is unaffected

Explanation:

please correct me if im wrong im not perfect i may make mistakes but i try my hardest to help