Answer the following question given this paragraph: As you age, you might start noticing pain in your knees or elbows. These are examples of joints. Joints are the part of the skeletal system that connect your bones. Joint pain is a common problem as people age. Q: Knees and elbows are examples of what part of the skeletal system? Choices: - cartilage - muscles - nerves - joints A:
joints
Answer the following question given this paragraph: The combined gas law shows the relationships among temperature, volume, and pressure. Q: What law shows the relationships among temperature, volume, and pressure? Choices: - Newton's law - Murphy's Law - Law of Conservation - combined gas A:
combined gas
Q: Answer the following question given this paragraph: 23.4 Natural selection is the only mechanism that consistently causes adaptive evolution. Q: What is the only mechanism that consistently causes adaptive evolution? Choices: - genetic drift - neutral selection - artificial selection - natural selection A:
A: natural selection
Question: Answer the following question given this paragraph: Vacuoles are membrane-bound organelles that can have secretory, excretory, and storage functions. Many organisms will use vacuoles as storage areas and some plant cells have very large vacuoles. Vesicles are much smaller than vacuoles and function in transporting materials both within and to the outside of the cell. Q: What are membrane-bound organelles that can have secretory, excretory, and storage functions? Choices: - prokaryotes - alleles - nuclei - vacuoles A:
Answer: vacuoles
*Question*
Answer the following question given this paragraph: Scientists did not actually see viruses for the first time until the 1930s. That's when the electron microscope was invented. In 1915, English bacteriologist Frederick Twort discovered bacteriophage , the viruses that attack bacteria. He noticed tiny clear spots within bacterial colonies, and hypothesized that something was killing the bacteria. The tobacco mosaic virus shown in Figure below was the first one to be seen. Q: The invention of what instrument in the 1930s allowed scientists to see viruses for the first time? Choices: - spy glass - telescopes - magnifying glass - electron microscope A:
**Answer**
electron microscope
*Question*
Answer the following question given this paragraph: Virtually all animals have internal digestion of food. Animals consume other organisms and may use special tissues and organs to digest them. (Many other organisms absorb nutrients directly from the environment. ). Q: What do nearly all animals have in common with regards to digestion? Choices: - external digestion of food - complete digestion of food - problematic digestion of food - internal digestion of food A:
**Answer**
internal digestion of food