Answer the following question given this paragraph: system of glands that secrete chemical messenger molecules called hormones into the blood. Q: A system of glands secretes what chemical messenger molecules into the blood? Choices: - metabolytes - enzymes - acids - hormones A:
hormones
Answer the following question given this paragraph: Q: What is the study of the vital statistics of populations and how they change over time? Choices: - sociology - ethnography - anthropology - demography A:
demography
Q: Answer the following question given this paragraph: The Sun was the first object to form in the solar system. Gravity pulled matter together to the center of the disk. Density and pressure increased tremendously. Nuclear fusion reactions begin. In these reactions, the nuclei of atoms come together to form new, heavier chemical elements. Fusion reactions release huge amounts of nuclear energy. From these reactions a star was born, the Sun. Q: What was the first object to form in the solar system? Choices: - earth - moon - jupiter - sun A:
A: sun
Question: Answer the following question given this paragraph: Q: What do the gonadotropins regulate? Choices: - temperature - epigenesis - mitosis - gametogenesis A:
Answer: gametogenesis
*Question*
Answer the following question given this paragraph: Natural selection occurs when there are differences in fitness among members of a population. Q: Differences in fitness among different members of a population can lead to what kind of selection? Choices: - fluid selection - subliminal selection - origin selection - natural selection A:
**Answer**
natural selection
Q: Answer the following question given this paragraph: If you look at the map pictured below, you will see that the lithosphere is divided into plates ( Figure below ). There are a dozen major and several minor plates. Each plate is named for the continent or ocean basin it contains. Some plates are made of all oceanic lithosphere. A few are all continental lithosphere. But most plates are made of a combination of both. Notice the locations where the most earthquake epicenters are found. Q: Most plates are made up of a combination of what? Choices: - oceanic and reflective lithosphere - continental and battered lithosphere - continental and reflective lithosphere - continental and oceanic lithosphere A:
A: continental and oceanic lithosphere