An enzyme is a biological molecule that acts as a catalyst in many reactions. They speed up chemical reactions especially the reactions inside living organisms. An enzyme is made up of amino acids. They are known to be very efficient catalysts. Hope this answers the question!
Answer:
absorb vitamins (especially Vitamin K)
Explanation:
The large intestine also helps in absorption of vitamins made by bacteria that normally live in the large intestine. These are friendly bacteria called commensal bacteria. There are over 700 species of bacteria that perform a variety of functions.
Bacteria in the large intestine also make some important substances, such as vitamin K, which plays an important role in blood clotting.
The answer to your question is B.
A physical factor that influences an ecosystem is called an "abiotic factor."