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: Still other pathogens are spread by vectors. A vector is an organism that carries pathogens from one person or animal to another. Most vectors are insects such as ticks or mosquitoes. They pick up pathogens when they bite an infected animal and then transmit the pathogens to the next animal they bite. Ticks spread the bacteria that cause Lyme disease. Mosquitoes spread the protozoa that cause malaria. Q: An organism that carries pathogens from one individual to another is called what? Choices: - germ cell - virus - host - vector A:
(Answer)
vector
Ques: Answer the following question given this paragraph: Many animals go through daily cycles. Daily cycles of behavior are called circadian rhythms. For example, most animals go to sleep when the sun sets down and wake up when the sun rises. These animals are active during the day and called diurnal. Other animals go to sleep when the sun rises and wake up when the sun sets. These animals are active during the night and called nocturnal. Many owls, like the owls in Figure below , are nocturnal. Like some other nocturnal animals, they have large eyes that are specially adapted for seeing when light levels are low. Q: What term refers to an animal that sleeps during the day and is active at night? Choices: - diurnal - crepuscular - solitary - nocturnal A:
Ans: nocturnal
(Q).
Answer the following question given this paragraph: Harmless fungi can be used to control pathogenic bacteria and insect pasts on crops. Fungi compete with bacteria for nutrients and space, and they parasitize insects that eat plants. Fungi reduce the need for pesticides and other toxic chemicals. Q: What reduces the need for pesticides and other toxic chemicals? Choices: - pollen - helium - yeast - fungi A:
(A).
fungi
Ques:Answer the following question given this paragraph: Electricity can be used to produce a magnetic field. Magnetism produced by electricity is called electromagnetism. Q: What is magnetism produced by electricity called? Choices: - electrical attraction - momentum - excitation - electromagnetism A:

Ans:electromagnetism
Answer the following question given this paragraph: There are about 6,200 known species of living amphibians. They are classified into three orders: frogs and toads, salamanders and newts, and caecilians. Q: Frogs and toads, salamanders and newts, and caecilians are the three orders of what group of animals? Choices: - marsupials - reptiles - mammals - amphibians A:
amphibians