Red blood cells, white blood cells, and platelets are all formed from stem cells located in bone marrow.
a. true
b. false
Answer: a. true
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Mendel demonstrated which of the following about inherited traits? Check all that apply.
_____ traits can be hidden in some generations, but subsequently reappear unchanged in future generations. _____ traits segregate among the offspring of a cross. _____ certain traits are more likely to appear than their alternatives. _____ some traits show blending inheritance. _____ parents that both have the same trait can have offspring with an alternative trait.
The main site of water and mineral absorption in the human digestive system is the
A. stomach. B. esophagus. C. small intestine. D. large intestine. E. rectum.
Smooth muscles are found where and are what?
What will be an ideal response?
Identify and briefly describe the two phyla of seedless vascular plants. Include one or two representatives of each
phylum. What will be an ideal response?