Chart the path of food through the human digestive system. What will be an ideal response?
ANSWER: Food would travel through the following components of the human digestive system in the
order listed: mouth, pharynx, esophagus, stomach, small intestine, large intestine, rectum and
would finally be expelled out the anus.
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How might the removal of a wetland affect a nearby city?
A. Wetlands support a rich supply of nutrients, so the removal of a wetland would decrease the water quality. B. Wetlands reduce water quality, so the removal of a wetland would improve the water quality. C. Wetlands reduce flooding, so the removal of a wetland would increase the likelihood of the city flooding. D. Wetlands cause flooding, so the removal of a wetland would decrease the likelihood of the city flooding.
In the plant life cycle, what process takes place
between the formation of gametes and the formation of the zygote?
a. mitosis b. meiosis c. fertilization d. more than one of these e. none of these
Melatonin is secreted by
a. pancreatic islet cells. b. the thyroid gland. c. the pituitary gland. d. the pineal gland. e. the kidneys.
The sedimentary rock known as ________ stores carbon deposited by the shells of ocean animals
Fill in the blank(s) with correct word