What is a similarity between an earthworm and a cockroach?

What is the level of organization in the body?

Identify the correctly matched pair/pairs of the germ layers and their derivatives.
$A$. Ectoderm-Epidermis
$B$. Endoderm-Dermis
$C$. Mesoderm-Muscles
$D$. Mesoderm-Notochord
$E$. Endoderm-Enamel of teeth

How many of the given statements are true?
$A.$ The dry surface of the skin and the moist surface of the buccal cavity are lined by compound epithelium.
$B.$ Cuboidal epithelium facilitates diffusion across the epithelium.
$C.$ Intercalated discs are the cell junctions between the cardiac muscle cells.
$D.$ Skeletal muscle fibers can be located in the biceps muscle.
$E.$ In a bone,osteocytes are located in lacunae.

Select the correct option for the matching pairs:

Column-$I$	Column-$II$	Column-$III$
$(1)$ Cockroach	$(p)$ Anis	$(w)$ Posthuma
$(2)$ Frog	$(q)$ Asterias	$(x)$ Megascolecidae
$(3)$ Maize	$(r)$ Anura	$(y)$ Opisthopora
$(4)$ Earthworm	$(s)$ Zea	$(z)$ Poaceae

The cells of a tissue are similar in