The sea water contains water beetles, tadpole, fish and weeds.
(a) Write a food chain comprising all the given organisms.
(b) Which organisms in the food chain are (i) herbivore, and (ii) carnivores?
(c) Which organisms are (i) predators, and (ii) prey?
(d) Which organisms can trap solar energy to make food?
(e) Which organism is a secondary consumer?