Identify the correct statement(s) from the following:
1. Cuscuta is a chlorophyllous endoparasite.
2. The human liverfluke needs only one host to complete its life cycle.
3. The life cycle of an endoparasite is more complex due to its extreme specialisation.
4. During the course of evolution, the host bird's eggs have evolved to resemble those of the parasitic bird.