Answer:
A
Explanation:
Sometimes called the manipulated variable. The part of the experiment that is manipulated or changed by scientists or persons performing the experiment.
Answer:
it keeps them alive and unseen by their enemies. keeps them from getting eaten
Explanation:
SARS, Ebola, swine flu, rabies
Answer:
Photosynthesis materials: carbon dioxide, water
Photosynthesis product: glucose, oxygen
Respiration materials: glucose, oxygen
Respiration product: carbon dioxide, water
The cell looks identical on both sides of the second picture. This shows that the cell is getting ready to split into two separate cells.