Answer:
The overall chemical reaction of cellular respiration converts one six-carbon molecule of glucose and six molecules of oxygen into six molecules of carbon dioxide and six molecules of water. ... So the carbons in the glucose become oxidized, and the oxygens become reduced.
Use this website, I remember having this question and I used this site
http://www.alaskakids.org/index.cfm/know-alaska/Alaska-Geography/Tundra
Answer:
So when the first animals moved onto land, they had to trade their fins for limbs, and their gills for lungs, the better to adapt to their new terrestrial environment
Explanation:
Their roots are near the surface, where they have access to oxygen.
Homozygous recessive. To determine if a particular plant is homozygous or heterozygous, you would have to test cross with a "homozygous recessive" to make the check