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What do the digestive and excretory systems have in common?
Both break down food.
Both produce urine.
Both get rid of waste material.
Both filter out waste material.

Both get rid of waste material.

Explanation:

took the test

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