What two gases have a profound effect on the type of organisms that can live in an area and influences the regions carrying capacity?
a. Carbon dioxide and nitrogen
b. Carbon dioxide and bicarbonate
c. Oxygen and carbon dioxide
d. Oxygen and nitrogen
c
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During transcription of a given protein-coding gene, both strands are used as template
A. true B. false
Some of the characteristics used to describe biomes include:
A. precipitation and number of grass species. B. precipitation and average temperature. C. precipitation and number of trophic levels in the communities. D. precipitation and species richness.
Calcitonin and PTH have opposing effects on blood calcium levels
Indicate whether the statement is true or false
What does fitness mean when speaking in terms of evolution?
A) Level of overall health of the individual B) How many offspring an individual produces C) Level of overall health of the population D) The size and diversity of the gene pool