Which category of galaxy does not have a distinctive shape?

a.
a spiral galaxy

b.
an elliptical galaxy

c.
a barred-spiral galaxy

d.
an irregular galaxy

The category of galaxy which does not have a distinctive shape is D. an irregular galaxy.
A spiral galaxy has a spiral shape, an elliptical galaxy has an elliptical shape, and a barred-spiral galaxy has a barred-spiral shape. The only galaxy type which does not have a constant shape is an irregular galaxy.

Answer ( slope);

Ibelieve the answer is d. macula  hope my answer has you : )