*Question*
Q: What measures the force of gravity pulling on an object? Choices: - density - volume - velocity - weight A:
**Answer**
weight

*Question*
Q: Mollusks are probably most closely related to organisms in the phylum annelida , also known as what? Choices: - sedimentary worms - indigenous worms - elongated worms - segmented worms A:
**Answer**
segmented worms

*Question*
Q: Biological macromolecules are organic, which means that they must contain what? Choices: - hydrogen - aluminum - oxygen - carbon A:
**Answer**
carbon

*Question*
Q: What part of the kangaroo helps it balance when it leaps as well as when it sits? Choices: - large feet - the pouch - the spine - the tail A:
**Answer**
the tail