Q: What kind of movement do planets in the solar system make around the sun? Choices: - optical orbits - round orbits - spinning orbits - elliptical orbits A:
elliptical orbits

Q: What kind of organisms are yeasts? Choices: - bacteria - viruses - protozoa - single-celled A:
single-celled

Q: Q: What is another name for collar cells? Choices: - enzymes - sporozoans - clutches - choanocytes A:
A: choanocytes

Question: Q: The primary lymphoid organs are the bone marrow and what else? Choices: - pinneal gland - thyroid - kidneys - thymus gland A:
Answer: thymus gland

*Question*
Q: Meiosis and mitosis are both preceded by one round of what? Choices: - internal fertilization - germination - cellular respiration - dna replication A:
**Answer**
dna replication

*Question*
Q: Methane, ethane, and propane are three of the smallest what? Choices: - organisms - atoms - microorganisms - alkanes A:
**Answer**
alkanes