Q: In which organs does gas exchange take place between blood and air? Choices: - liver and spleen - kidneys - esophagus and larynx - lungs A:
lungs

Q: What branch of biology uses fossils to study life's history? Choices: - morphology - entomology - gerontology - paleontology A:
paleontology

Q: Q: Cilia and flagella are generally associated with what function in organisms, whether the function is internal or external? Choices: - digestion - reproduction - sight - movement A:
A: movement

Question: Q: In studying energy, what term do scientists use to refer to the matter and its environment involved in energy transfers? Choices: - molecule - ecosystem - world - system A:
Answer: system

*Question*
Q: What are the two types of vascular tissues? Choices: - ectoderm and phloem - epidermis and phloem - ganglia and phloem - xylem and phloem A:
**Answer**
xylem and phloem

(Question)
Q: Soluble minerals and clays accumulate in what soil layer, allowing it to hold more water? Choices: - silt - subsurface - topsoil - subsoil A:
(Answer)
subsoil