Answer: 160 mm HgTherefore, the partial pressure of oxygen is: PO2 = (760 mm Hg) (0.21) = 160 mm Hg, while for carbon dioxide: PCO2 = (760 mm Hg) (0.0004) = 0.3 mm Hg.
Explanation:
Answer:
C
Explanation:
heterotrophic oragnisms gain energy from other oragnisms and need to break down complex organic molocules to release energy.
Answer:
The esophagus is a long tube that connects the mouth to the stomach
Answer:
The genotypic ratio shows the number of times a characteristic of an organism will be seen in the offspring when genes for certain traits are crossed. ... The genotypic ratio for this cross is written 1:2:1. In animals and plants, each gene has 2 alleles or variations, one from each parent
Explanation:
<span>The only traits that can be acted upon by natural selection are those that are controlled by ___________________</span>