Which of the following is not a type of galaxy? a. oval b. spiral c. irregular d. elliptical

A. Oval, should be the answer. :) have a nice day.

There are three main types of galaxies: Elliptical, Spiral, and Irregular. Two of these three types are further divided and classified into a system that is now known the tuning fork diagram. When Hubble first created this diagram, he believed that this was an evolutionary sequence as well as a classification.

so the answer would be A

Cuz i said so. which gives it to b

An ecosystem is in a certain area and includes living and non living plus there is weather conditions and a biome is a large amount of area with similar climate.so ecosystem is based on weather and biome is based on the average climate