Class 11 NEET Biology Animal Kingdom Questions Part 2

(d) : Reptiles have two auricles and a partly divided ventricle except crocodiles which have four chambered heart. Obelia shows metagenesis i.e., alternation of generations which may be defined as a a phenomenon in which diploid asexual phase alternates with haploid sexual phase. Lemur has a thecodont teeth i.e., the teeth are embedded in the sockets of the jaw bone.