Answer:
Experiment
Explanation:
An experiment is conducted to test the activity of the caffeine in the blood stream of the athlete
An energy pyramid is helpful in understanding the relationship between food and energy, because the most energy (generally grass, or plants) is at the bottom, and meat eating predators are at the tippy top (less energy). Producers, primary consumers, secondary consumers and tertiary consumers are all on the energy pyramid. I hope this was helpful:)
We need the multiple choices for this question.
tree-species selection based on plant–animal interaction ..... visit it, but also on other plants visited by those animals and .... number and types of mutualistic partners.
It is all of these. Hope this helps! #Batgirl
