(a)[2]
Rabbits are herbivores. Define what the term herbivore means.
(b)[2]
Rabbit numbers may rise and fall from one year to the next, as shown in Fig. 5.1. State two factors that could lead to an increase in a rabbit population.
(c)[3]
Since 1800 the number of humans in the world has risen sharply. State three ways in which this growth in the human population has affected marine ecosystems.