Q: How many types of simple machines are there? Choices: - ten types - three types - two types - six types A:
six types

Q: Which zone is located below 200 meters from the surface? Choices: - epipelagic - observable zone - mesopelagic - aphotic zone A:
aphotic zone

Q: Q: Cardiac veins parallel the small cardiac arteries and generally drain into what sinus? Choices: - Veins - lungs - heart - coronary A:
A: coronary

Question: Q: The steropodon may have been an ancestor of which animal? Choices: - geckos - wooly mammoth - lioness - platypus A:
Answer: platypus

*Question*
Q: What are small organelles and are the site of protein synthesis called. Choices: - chromosomes - chloroplasts - chromosomes - ribosomes A:
**Answer**
ribosomes

*Question*
Q: What does the respiratory system exchange between the body and the outside air? Choices: - fluids - blood - nutrients - gases A:
**Answer**
gases