Answer the following question given this paragraph: Diseases of the cardiovascular system are common and may be life threatening. Examples include atherosclerosis and coronary heart disease. A healthy lifestyle can reduce the risk of such diseases developing. This includes avoiding smoking, getting regular physical activity, and maintaining a healthy percent of body fat. Q: Atherosclerosis and coronary heart disease are examples of what type of body system disease? Choices: - connective system - digestive system - excretory system - cardiovascular system A:
cardiovascular system
(Question)
Answer the following question given this paragraph: Oceans of salt water cover much of Earth's surface. Freshwater is water that contains little or no salt. Most of Earth's freshwater is frozen in ice caps and glaciers. Q: In what form is most of the earth's freshwater? Choices: - gas - liqued - steam - frozen A:
(Answer)
frozen
Ques: Answer the following question given this paragraph: Some solutions have special properties because they are acids. Orange juice is an example. It contains an acid called citric acid. It makes orange juice taste sour. Some solutions are bases rather than acids. Q: What in orange juice makes it taste sour? Choices: - amino acid - acetic acid - carbonation - citric acid A:
Ans: citric acid
(Q).
Answer the following question given this paragraph: The majority of arthropods are insects (Class Insecta). In fact, more than half of all known organisms are insects. There may be more than 10 million insect species in the world, although most of them have not yet been identified. In terms of their numbers and diversity, insects clearly are the dominant animals in the world. Q: More than half of all known organisms are what? Choices: - mammals - enzymes - spiders - insects A:
(A).
insects
Ques:Answer the following question given this paragraph: Many animals have a relatively simple life cycle. A general animal life cycle is shown in Figure below . Most animals spend the majority of their life as diploid organisms. Just about all animals reproduce sexually. Diploid adults undergo meiosis to produce sperm or eggs. Fertilization occurs when a sperm and an egg fuse. The zygote that forms develops into an embryo. The embryo eventually develops into an adult. Q: What causes fertilization to occur? Choices: - accumulation and an egg fuse - tissue and an egg fuse - genetic and an egg fuse - sperm and an egg fuse A:

Ans:sperm and an egg fuse
Ques: Answer the following question given this paragraph: For a long time, scientists classified fungi as members of the Plant Kingdom. Fungi share several obvious traits with plants. For example, both fungi and plants lack the ability to move. Both grow in soil, and both have cell walls. Some fungi even look like plants. Q: What group of organisms was initially misclassified as plants because they also lack the ability to move, grow in soil, and have cell walls? Choices: - protozoa - algae - gymnosperm - fungi A:
Ans:
fungi