The only animals that rely on intracellular digestion are
A. earthworms.
B. sponges.
C. clams.
D. starfish.
E. jellyfish.
B. sponges.
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An atom in which the number of electrons is different from the number of protons is called a(n)
a. ion. b. molecule. c. compound. d. isotope. e. acid.
Three human disorders–fragile-X syndrome, myotonic dystrophy, and Huntington disease–are conceptually linked by a common mode of molecular upset. Describe the phenomena that link these disorders
What will be an ideal response?
What ability is found in stem cells that are totipotent?
A) Totipotent cells can only develop into blood cells. B) Totipotent cells can develop into any cell type. C) Totipotent cells can transform skin into muscle cells. D) Totipotent cells can change the genetic code of an organism.
This system transforms food particles into a size that can be absorbed.
What will be an ideal response