Which two sentences best explain what happens to energy in this ecosystem?
A. Energy is lost as it flows through the links in a food chain.
B. Energy is gained as it flows down the pyramid.
C. Each organism gains energy from its surroundings.
D. Each organism loses energy as body heat.

Prior to the development of dna fingerprinting, blood type could be used to determine possible parentage. although it might prove someone was not a parent, it could not show if someone was positively the parent, only that he or she might be a parent. which of the following is a true statement that can be made about parentage based on blood typing?

Control of the body is accomplished by which of the following body systems? nervous system and circulatory system endocrine and repertory system circulatory and respiratory systems nervous system and endocrine systems

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