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 ?