Answer: answer 1 and 3 only
Explanation:
Spiders not from the US can potentially take over other species habitats. Same with flowers not from a specific area.
The correct option is 2 and 3 since removing plants would decrease carbon sink
Answer:
The correct answer is a cofactor for enzyme activity.
Explanation:
Carboxypeptidase is a metallo-enzyme in which zinc is present at active site. It has been accounted for by Coleman and Vallee that the protein can be deactivated by the removal of zinc and that reactive again by the expansion of zinc, cobaltous, ferrous, nickel. which suggests that zinc is acting as the cofactor for this metalloenzyme. Zinc is a cofactor for up to 300 chemicals in the body. Proteins that utilization zinc as a cofactor is known as metalloenzymes.
Thus, the correct answer is a cofactor for enzyme activity.
Jawless fish. The class Agnatha is a class made up of jawless fish. It excludes all vertebrates with jaws.