Which of the following statements is true? a thin layer of chyme protects the lining of the digestive tract from being broken down by enzymes. hydrochloric acid (hcl) begins the partial digestion of fats in the small intestine. cystic fibrosis is an infectious disease that causes the muscles that control swallowing to malfunction. heartburn often results when the gastroesophageal sphincter fails to close properly.
Answers: 1
Biology, 21.06.2019 17:00
Which of the following statements is true? a. the main cause for speciation is an increase in gene flow. b. organisms that reproduce asexually are not considered part of a species. c. on a tree of life diagram, speciation is shown by the merging of two different lineages. d.the size of the geographic area inhabited by a population can cause speciation.
Answers: 2
Biology, 22.06.2019 05:20
The fruit of a certain plant is sweet and fleshy. the seeds of this plant have a seed coat that is fairly tough. the seeds germinate better if they are exposed to acid, or scarification. what is the most likely type of dispersal for this seed? water animal wind
Answers: 2
Biology, 22.06.2019 09:00
What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction
Answers: 3
Which of the following statements is true? a thin layer of chyme protects the lining of the digesti...
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