The probability of a match being due to chance diminishes as the number markers used ____________
a. increases
b. decreases
a
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A parasitic disease known as Schistosomiasis is caused by several species of flatworms in the
phylum Platyhelminthes. The life cycle includes an aquatic snail where the larvae develop; these larvae then hatch into the water and swim around until they find the appropriate vertebrate host. Adult males and females reproduce sexually in the vertebrate host, and eggs are usually shed into water via feces or urine. The snail would be considered a(n) __________.
a. intermediate host b. vector c. primary host d. cyst
The polarity of water allows it to create a hydration layer that prevents salt from coming back out of solution after it has
been dissolved.
Indicate whether the statement is true or false.Describe and discuss the results of two experiments, one using plants and the other using animals, that
support the totipotency of some cells. Emphasize the differences between manipulation of plant and animal cells in your discussion. What will be an ideal response?
Which process does not occur in ecosystems?
A) Energy flows through the system. B) Carbon is cycled between biotic and abiotic forms. C) Producers convert light energy to chemical energy. D) Consumers directly use the energy source that powers the system.