Which two characteristics do all animals have? they are symmetrical and heterotrophic. they are heterotrophs and have a backbone. their cells have a nucleus and membrane-bound organelles. they have a backbone, and their cells have membrane-bound organelles.

Their cells have a nucleus and membrane-bound organelles.

Explanation:

on ed thats right

The cells have nucleus and membrane bound membranes.

Explanation:

The cells have a organelle known as nucleus.This is a double membrane bound structure found in the cell. This organelle contains all the genetic information in the form of genetic codes.

The information is carried from the parents to another generation. This is a main characteristic feature of animals.

The cell contains many membrane bound organelles such as mitochondria, Golgi body, ribosomes et cetera.

Hence, all the animals have membrane bound organelles and nucleus inside it.

answer; i believe that the correct answer is (lung);