Q: Ecosystem dynamics include more than the flow of energy and recycling of matter. ecosystems are also dynamic because they? Choices: - stay the same - recreate exactly alike - never move - change through time A:
change through time

Q: Enzymes in the stomach and small intestine break down proteins into what components? Choices: - atoms - antioxidants - lactic acids - amino acids A:
amino acids

Q: Q: What is the term for a push or a pull on an object? Choices: - gravity - action - effort - force A:
A: force

Question: Q: What type of invertebrate typically has a single spiraled shell? Choices: - bipod - arthropod - anthropod - gastropod A:
Answer: gastropod

*Question*
Q: What term is used to describe the muscular canal (approximately 10 cm long) that serves as the entrance to the reproductive tract? Choices: - uterus - cervix - urethra - vagina A:
**Answer**
vagina

Q: Q: The largest phylum in the animal kingdom, arthropod, is primarily comprised of what? Choices: - reptiles - mammals - amphibians - insects A:
A: insects