I believe the correct answer from the choices listed above is the second option. <span>The building blocks of a habitat consist of environmental factors. Hope this answers the question. Have a nice day.</span>
The second one I think .............
Answer:
Yes
Explanation:
Enzymes are involved in most of the chemical reactions that take place in organisms. About 4,000 such reactions are known to be catalyzed by enzymes, but the number may be even higher.
The correct answer would be B
<span>The visceral mass, of gastropods is always contained within the shell; it generally holds the bulk of the digestive, reproductive, excretory, and respiratory systems. A significant part of the visceral hump consists of the mantle, or pallial, cavity.</span>
