Which organism's body is composed of $33$ somites?

The dermis develops from the . . . . . . .

Choose the correct statements:
$(a)$ Bones support and protect softer tissues and organs
$(b)$ Weight bearing function is served by limb bones
$(c)$ Ligament is the site of production of blood cells.
$(d)$ Adipose tissue is specialised to store fats.
$(e)$ Tendons attach one bone to another.
Choose the most appropriate answer from the options given below:

Least constancy of shape is shown by

Select the correct option from the following:
$(i)$ Frogs are $Ureotelic$ / $Uricotelic$.
(ii) The visual unit of the compound eye in cockroaches is $Ommatidia$ / $Ommatidium$.

How many types of tissues are found in higher animals?