The answer to your question is either drawbridge or scaffolding. I want to go with drawbridge because it has support and stands of for itself, so its similar to a stucture if that makes sense.
Explanation:
The explanation for the question is in the"Hardy-Weinberg principle" pdf attached below.
Glycerol is found in triglyceride. Glycerol is the main ingredient in vegetable oils and fats. It forms the base of triglyceride.
Marsupials are pest put some are not but some of them are mammals and some of them are not. I guessed it should be either way .
