I want to discribe an experiment using the following 1 title
2 aim
3 materials required
4 method /procreative
5 diagram
6 observation
7 conclusion
On one experiment in liquid diffusion​

i believe the correct answer is d

i don't know, but does anyone wanna be friends? i'm doing my homework at 1: 49 in the morning : /

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