Brood Parasitism and Coevolution — NEET Biology

Which of the above statements are correct? S1: Cryptic coloration is a defense mechanism evolved by some prey species to avoid detection by predators. S2: Thorns in plants like Acacia and Cactus serve as chemical defenses against herbivores. S3: The Monarch butterfly acquires its distasteful chemicals by feeding on poisonous weeds during its caterpillar stage. S4: Parasites often exhibit a loss of unnecessary sense organs and highly increased reproductive capacity as adaptations to their lifestyle. S5: Brood parasitism involves the parasitic bird laying its eggs in the nest of its host, with eggs typically evolving to be distinct in size and colour from the host's eggs.