Answer the following question given this paragraph: Roundworms are invertebrates in Phylum Nematoda. Roundworms have a pseudocoelom and complete digestive system. They are free-living heterotrophs or parasites. Q: Roundworms are intervertebrates that belong to which phylum? Choices: - annelida - Gordiacea - amoebozoa - nematoda A:
nematoda

Answer the following question given this paragraph: Besides pathogens, many other dangers in the environment may negatively affect human health. For example, air pollution can cause lung cancer. It can also make asthma and other diseases worse. Bioterrorism is another potential threat in the environment. It may poison large numbers of people or cause epidemics of deadly diseases. But the worst thing you can do to yourself is smoke cigarettes. Q: Which pollution can cause lung cancer and can also make asthma and other diseases worse? Choices: - climate pollution - water pollution - air pollination - air pollution A:
air pollution

Answer the following question given this paragraph: Sound is the transfer of energy from a vibrating object in waves that travel through matter. Q: Sound is the transfer of energy from a vibrating object in waves that travel through what? Choices: - light - time - water - matter A:
matter

Answer the following question given this paragraph: Most single-celled eukaryotes are protists. Protists are the simplest eukaryotes. Q: What group includes the simplest eukaryotes, including most single-celled eukaryotes? Choices: - arthropods - bivalves - fungi - protists A:
protists