*Question*
Q: What are the three types of symbiosis? Choices: - connectionism , parasitism , commensalism - commensalism, osmosis, internalization - internalization , parasitism , commensalism - mutualism, parasitism, commensalism A:
**Answer**
mutualism, parasitism, commensalism

*Question*
Q: What happens to charges whenever they are accelerated? Choices: - they fuse - they darken - they die - they radiate A:
**Answer**
they radiate

*Question*
Q: What substances are involved in most of the chemical reactions that take place in organisms, including digestion? Choices: - proteins - hormones - vitamins - enzymes A:
**Answer**
enzymes

*Question*
Q: The digestive organs within the abdominal cavity are held in place by the peritoneum, a broad serous membranous sac made up of squamous epithelial tissue surrounded by this? Choices: - mucus - skin - bone - connective tissue A:
**Answer**
connective tissue