Answer the following question given this paragraph: Q: Composed largely of the polysaccharide chitin, the exoskeleton provides an effective barrier defense against most what? Choices: - parasites - white blood cells - vaccines - pathogens A:
pathogens
Answer the following question given this paragraph: A: Both boxes have the same volume because they are the same size. However, the books have greater mass than the feathers. Therefore, the box of books has greater density. Q: What third property is different if two boxes have the same volume but one has greater mass? Choices: - oxygen - output - diameter - density A:
density
Q: Answer the following question given this paragraph: The two tonsils are located on either side of the throat. They trap pathogens that enter the body through the mouth or nose. Q: Where are the two tonsils located? Choices: - sinus - nose - tooth - throat A:
A: throat
Question: Answer the following question given this paragraph: The problem doesn't stop with plowing. Crops are usually planted in rows, with bare soil in between the rows. In places where crops grow only during part of the year, the land may be bare for a few months. Q: In places where crops grow only during part of the year, the land may be bare for a few? Choices: - days - weeks - minutes - months A:
Answer: months
*Question*
Answer the following question given this paragraph: Symbiosis describes a close and long-term relationship between different species. At least one species will benefit in a symbiotic relationship. These relationships are often necessary for the survival of one or both organisms. There are three types of symbiotic relationships: mutualism, communalism, and parasitism. Q: What are the three types of symbiotic relationships? Choices: - pledgism, truism, greenism - symbiosis , communalism , parasitism - altruism, conservatism, communalism - mutualism, communalism, parasitism A:
**Answer**
mutualism, communalism, parasitism
(Q).
Answer the following question given this paragraph: A: Variables might include factors relating to the ramp or to the object. An example of a variable relating to the ramp is its steepness. An example of a variable relating to the object is the way it movesit might roll or slide down the ramp. Either of these variables could be manipulated by the researcher, so you could choose one of them for your manipulated variable. Q: An example of a variable relating to the ramp is its what? Choices: - color - mass - weight - steepness A:
(A).
steepness