The statements given below shows some characteristics of a phylum. Identify it.
(i) Tissue absent (ii) Internal fertilisation
(iii) Developments is indirect
(iv) Spongocelate with ostia (many) and single osculum and cancal system
(v) Sexes are hermaphrodite.

Given below shows some characteristics of a phylum .Identify the phylum . (i) Tissues are absent (ii) Internal fertilization (iii) indirect development (iv) Canal system

Given below shows some characteristics of a phylum .Identify the phylum . (i) Tissues are absent (ii) Internal fertilization (iii) indirect development (iv) Canal system

Given below are the general characters of a phylum .Identify the phulum . (i) Extracellular and intracellular digestion (ii) Tissue level of organization (iii) Indirect development (iv) No asexual reproduction

Given below are the general characters of a phylum .Identify the phulum . (i) Extracellular and intracellular digestion (ii) Tissue level of organization (iii) Indirect development (iv) No asexual reproduction

Read the statements given below . I. Sinus venosus, specialised to receive venus blood is present in single circuit circulation. II. Sinus venosus is absent in amphibians Identify these statemetns as true or false

The figure below shows the V-I characteristic of a semiconductor diode. (i ) Identify the semiconductor diode used. (ii) Draw the circuit diagram to obtain the given characteristic of this device. (ii) Briefly explain how this diode can be used as a voltage regulator.

The characters given below are shown by (i) Extracellular and intracellular digestion (ii) Exclusively marine, radially symmetrical, diploblastic, tissue level of organisation (iii) Bisexual, fertilisation external and indirect development (iv) No asexual reproduction (v) Presence of comb plates

The characters given below are shown by (i) Extracellular and intracellular digestion (ii) Exclusively marine, radially symmetrical, diploblastic, tissue level of organisation (iii) Bisexual, fertilisation external and indirect development (iv) No asexual reproduction (v) Presence of comb plates

The characters given below are shown by (i) Extracellular and intracellular digestion (ii) Exclusively marine, radially symmetrical, diploblastic, tissue level of organisation (iii) Bisexual, fertilisation external and indirect development (iv) No asexual reproduction (v) Presence of comb plates