Which of the following is a common ailment characterized by a burning sensation caused by gastric juices backing up into the esophagus?

A) heartburn
B) acidosis
C) porosis
D) gastritic stress


A

Biology & Microbiology

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A heterotrophic organism that consumes primary producers or those that consume primary producers is called a(n) ____

Fill in the blank with the appropriate word.

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The river continuum concept suggests that one of the following is higher in headwater streams

A) autochthonous carbon B) allochthonous carbon C) phytoplankton abundance D) macrophyte abundance

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Radioactive iodine is sometimes used to treat thyroid cancer. This is an example of the use of (isotopes/elements/radiation) in medical treatment

What will be an ideal response?

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Based on the number of species, the most successful extant phylum of plants is the

A. Charophyta. B. Coniferophyta. C. Hepaticophyta. D. Gnetophyta. E. Pterophyta. F. Anthophyta (angiosperms).

Biology & Microbiology