When asexual generation (polypoid generation) and sexual generation (medusoid generation) alternate each other in the life cycle, it is called alternation of generation or metagenesis, e.g. Obelia and other cnidarians.
When asexual generation (polypoid generation) and sexual generation (medusoid generation) alternate each other in the life cycle, it is called alternation of generation or metagenesis, e.g. Obelia and other cnidarians.
What types of body symmetry is present in Platyhelminthes?
Bilateral symmetry.
Bilateral symmetry.
See lessWhat are colloblasts?
Colloblasts are adhesive cells found on the tentacles of Ctenophora.
Colloblasts are adhesive cells found on the tentacles of Ctenophora.
See lessGive an example of ctenophora.
Beroe.
Beroe.
See lessWhat is common name of following: (a) Pleurobranchia and. (b) Cestum.
(a) Comb jelly; (b) Venus's girdle
(a) Comb jelly;
See less(b) Venus’s girdle
What is alternation of generation?
When asexual generation (polypoid generation) and sexual generation (medusoid generation) alternate each other in the life cycle, it is called alternation of generation or metagenesis, e.g. Obelia and other cnidarians.
When asexual generation (polypoid generation) and sexual generation (medusoid generation) alternate each other in the life cycle, it is called alternation of generation or metagenesis, e.g. Obelia and other cnidarians.
See less