*Question*
Q: What is the tough tissue that contains collagen?    Choices:  - membrane  - muscle  - fiber  - cartilage  A:
**Answer**
cartilage

*Question*
Q: What takes place in the organelle known as the chloroplast, which distinguishes animal from plant cells?    Choices:  - digestion  - reproduction  - perspiration  - photosynthesis  A:
**Answer**
photosynthesis

*Question*
Q: Electric generators change kinetic energy to what type of energy?    Choices:  - thermal  - light  - intrinsic  - electrical  A:
**Answer**
electrical

*Question*
Q: Slime molds are fungus-like protists that grow as slimy masses on what?    Choices:  - recycled matter  - food matter  - dark matter  - decaying matter  A:
**Answer**

decaying matter