What process has been used for centuries by farmers to produce the breeds that most suit their needs? a. creating mutations b. genetic engineering c. selective breeding d. gene therapy

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

i was thinking 4.0 v hope this