Can anybody me? match term definition elliptical galaxy irregular galaxy spiral galaxy lens galaxy a) does not have a distinct regular shape b) has a large flattened core c) forms a perfect sphere or an ellipse and is flattened to some degree d) has a central core from which curved arms spiral outward

the cladogram shown here shows similarities and differences among several classes of vertebrates. anatomically, the four have limb structure as their common ancestor. we might separate the mammals from the other three classes because they a) divergent; do not lay eggs b) identical; are warm-blooded c) varied; a four chambered heart d) homologous; have mammary glands