We can rule out small fish and grasses. My guess is that zooplankton get their energy from phytoplankton, because phytoplankton use photosynthesis to get their energy.
The correct choice is the third movement of continents
The temperature of the Beaker B insulated contains a lower amount of identical liquids and the copper rod which won't keep the system going because it can't with stand to keep a breaker going at a low Celsius of 50 degree 30 degree Celsius less than Breaker A
The fossil record shows a sequence from simple bacteria to more complicated organisms through time, it is very reliable because it is physical evidence and by studying fossils, scientists can learn how much (or how little) organisms have changed as life developed on Earth.
