Answer the following question given this paragraph: There are approximately 160,000 living species and probably 70,000 extinct species of mollusks. They are typically divided into ten classes, of which two are extinct. The major classes of living mollusks include gastropods, bivalves, and cephalopods ( Figure below ). Q: The major classes of living members of this phylum include gastropods, bivalves, and cephalopods? Choices: - insects - crustaceans - invertebrates - mollusks A:
mollusks

Answer the following question given this paragraph: The landscape of the Moon - its surface features - is very different from Earth. The lunar landscape is covered by craters caused by asteroid impacts ( Figure below ). The craters are bowl-shaped basins on the Moon's surface. Because the Moon has no water, wind, or weather, the craters remain unchanged. Q: The lunar landscape is covered by craters caused by what? Choices: - earth impacts - volcanoes - water - asteroid impacts A:
asteroid impacts

Answer the following question given this paragraph: All living things are capable of reproduction. Reproduction is the process by which living things give rise to offspring. Reproducing may be as simple as a single cell dividing to form two daughter cells. Generally, however, it is much more complicated. Nonetheless, whether a living thing is a huge whale or a microscopic bacterium, it is capable of reproduction. Q: What is the process called in which living things produce offspring? Choices: - variation - photosynthesis - diversification - reproduction A:
reproduction