Categorize the following animals under radial symmetry and bilateral symmetry.

Define the radial symimetry and bilateral symimetry,

Group the following animals on the basis of symmetry and give a suitable title for each category.(1 score) Asterias, Hirudinaria, Octopus, Hydra.

Name two-animal phyla with radial symmetry

Categorize the following animals based on the na ture of excretion of nitrogenous waste. Mammals, Bony Fishes , Birds, Aquatic amphibians, Terrestrial amphibians, Insects, Cartilage fishes, Aquatic insects

A physical quantity having both magnitude and direction is a vector and if it has only magnitude it is a scalar. Categorize the following physical quantities into scalars and vectors. (a) Force (b) Angular momentum (c) Time (d) Work

From the following general characters find out corresponding Class with an Example a) Exclusively marine, triploblastic, spines on the skin, radially symmetrical in the adult and bilaterally symmetrical in the larval stage. b) Marine, they migrate towards freshwater for spawning, then their larvae retum to ocean after metamorphosis. c) Triploblastic, bilaterally symmetrical, coelomate and metamerically segmented animals.