A shark because its more cartilage than actual bone.
Answer:
All of the above traits combined
Explanation:
Phylogeny is an evolutionary history of development of a certain species or taxonomic group.
The purpose of phylogenies is to represent evolutionary relationships among a group of organisms.
During the reconstruction of phylogenies. Systematists often use a variety of traits in order to produce a good estimate of a phylogeny.
The use of molecular traits, gross morphological traits, behavioral and biochemical traits combined can give a good estimate of a phylogeny.
Producer would be missing vital nutrients
Would be missing ammonia
Please mark my answer as brainliest
14. Dermis
15. Chemical
17. Virus
18. Antibodies
19. Gas exchange
20. Ligament
Hope this helps!
Those would be enzymes I believe. They are the power house of the membrane and lower the amount of activation energy needed.