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
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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.
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
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?
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).