Where do the most amount of energy in food webs come from ? A. the sun
B. The earth
C. Water
D. Outer space

A. The Sun

Explanation:

The farther down the food web or food chain you go, the less energy is transferred from one organism to the next. This means that by one organism consuming the other, the one doing the consuming will receive less energy than the one that it had just consumed had from whatever it ate.

Because the sun is the basis on all energy, and producers get their energy from the sun, it carries the most amount of energy.

in situ hybridization has been widely used for research applications, including clinical cytogenetics, gene mapping, tumor biology and studies of chromosome evolution.

i think it would be b. tissue because an organ system is a group of organs that work together to perform one or more functions. each does a particular job in the body, and is made up of certain tissues.