PLEASE HELP IM BEING TIMED ILL GIVE BRAINLIEST AND 20 POINTS DNA replication is said to be semiconservative because:
A. Both RNA and DNA synthesis are involved in the process.
B. Part of the telomere is lost during each round of replication.
C. A new double helix contains one old and one new strand.
D. Each new strand is complementary, not identical, to its template.

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science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.

organ system-an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.