<span>"D.how living things are interconnected with their environment</span>" is the correct answer. Ecology has to do with systems of environments as a whole, and the organisms that live there.
Valves ensure blood flows toward your heart. Vein valves work to bring the blood that flowed down via arteries back up to your heart.
Answer:
a. He is missing a control group of mice that did not receive the new antibiotic.
Explanation:
In any experiment especially experiments testing effectiveness of a drug, there should be a control group.
The importance of a control group is to minimize the effects of other variables other than the independent variable hence increasing reliability of the results.
in this case, a group of mice that did not receive the new antibiotic would have served as the control group.
Answer: What type of microscope would be best for studying the structures found inside of cells? transmission electron microscope
What are the three basic parts of the cell theory?
1. All living things are composed of cells.
2.Cells are the basic units of structure and function for living things.
3. All cells come from pre-existing cells.
What is a tissue? a group of cells that have similar structure and that function together as a unit
Explanation: