Description : In the metagenesis of Aurelia and Obelia what is the form that produces gametes? What is the form that reproduces asexually?
Last Answer : In the metagenesis of some coelenterates, like Aurelia and Obelia, there is alternation between polypoid and medusoid forms. The polyps reproduce asexually originating medusae that then liberate ... and by strobilization in Aurelia. Image Diversity: metagenesis of Aurelia metagenesis of Obelia
Description : Which one of the following is a matching set of a phylum and its three examples? (a) Porifera - Spongilla, Euplectella, Pennatula (b) Cnidaria - Bonellia, Physalia, Aurelia (c) Platyhelminthes - Planaria, Schistosoma, Enterobius (d) Mollusca - Loligo, Teredo, Octopus
Last Answer : (d) Mollusca - Loligo, Teredo, Octopus
Description : Biradial symmetry and lack of cnidoblasts are the characteristics of (a) Hydra and starfish (b) Starfish and sea anemone (c) Ctenoplana and Beroe (d) Aurelia and Paramecium.
Last Answer : (c) Ctenoplana and Beroe
Description : In which one of the following the genus name, its two characters and its class/phylum are correctly matched? (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct (b) ... hair (ii) Oviparous (d) Aurelia (i) Cnidoblasts Coelenterata (ii) Organ level of organization
Last Answer : (a) Ascaris (i) Body segmented Annelida (ii) Males and females distinct
Description : Name the mushroom coral a) Favia b) Fungia c) Madrepora d) Aurelia
Last Answer : c) Madrepora
Description : Lateral line sense organs occur in
Last Answer : Lateral line sense organs occur in A. Cartilaginous fishes B. Bony fishes C. Amphibian larvae D. Reptiles
Description : The nerve that carries the impulses from the sense organs to the central nervous sys- tem?
Last Answer : Sensory nerve
Description : What are sense organs? Name them.
Last Answer : The organs through which we sense the objects in our environment are known as sense organs. The five sense organs are eyes, ears, nose, tongue and skin.
Description : Which one of the following is not a parasitic adaptation? (a) Development of adhesive organs (b) Loss of digestive organs (c) Loss of reproductive capacity (d) Loss of unnecessary sense organs
Last Answer : (c) Loss of reproductive capacity