I think the answer is enzyme
Organelles exist within cells, which exist within tissues. Communities exist within ecosystems, which exist in the biosphere.
Mutualism
Explanation: a relationship between two species of organisms in which both benefit from the association.
The same.
If one cell divides into 2, and they are one cell organisms, that it is also reproduction.
Answer:
Surface tension depends mainly upon the forces of attraction between the particles within the given liquid and also upon the gas, solid, or liquid in contact with it. The molecules in a drop of water, for example, attract each other weakly.
Example:
a glass of water is sitting on a table put a paper clip in it. it stays floating on the top.
Water striders can walk on water because of the surface tension of water.
