Consider the following statements:<br/>1. Some species of turtles are herbivores.<br/>2. Some species of fish are herbivores.<br/>3. Some species of marine mammals are herbivores.<br/>4. Some species of snakes are viviparous.<br/><br/>Which of the statements given above are correct?

1. Some turtles are herbivores — Correct. Green sea turtle adults are largely herbivorous, feeding mainly on seagrasses and algae.

2. Some fish are herbivores — Correct. Many fish such as parrotfish and surgeonfish feed primarily on algae or aquatic plants.

3. Some marine mammals are herbivores — Correct. Dugong and manatee are marine mammals that graze on seagrass.

4. Some snakes are viviparous — Correct. Several snakes, including boas and vipers, give birth to live young.

Hence, all four statements are correct.