Explanation:

• 1 is corrrect. Unicellular organism can only reproduce by asexual reproduction method. Whereas multicellular organisms can be reproduced by either sexually or asexually. 
• 2 is wrong. The highest animals that exhibit vegetative reproduction are the colonial tunicates (e.g., sea squirts), which, much like plants, send out runners in the form of stolons, small parts of which form buds that develop into new individuals.