(a(i))[3]
Using the information in the sentences, construct a food chain that includes all four organisms. Do not use drawings of the organisms.
(a(ii))[1]
State the main source of energy for this food chain.
(a(iii))[1]
State the type of organism that gets its energy from dead organic material.
(b(i))[4]
A species is endangered when it faces a risk of extinction. Explain two ways a species could become endangered.
(b(ii))[1]
State one method for conserving endangered species.