Answer:
Respiration is important because it converts food energy into chemical energy.
Explanation:
Answer:
Ideally, the experimental and control groups are identical. As much as possible, the two groups should overlap in every characteristic.
Explanation:
At the beginning of your study, you need your two groups to be as statistically similar as is humanly possible. That way, when you control for other variables, you can reasonably attribute any statistically significant differences at the end of the study to your intervention.
Answer:
The endosymbiotic theory describes how a large host cell and ingested bacteria could easily become dependent on one another for survival
Explanation:
Loss of habitat from any number of causes is the main reason for species endangerment currently.