If the number of photosynthetic organisms on the earth decreased drastically, which would happen as a result?

Plsss > .< compare and contrast the characteristics of flatworms rounds worms and earthworms

Which part of the neuron below is indicated by the arrow, and what is its function? hormones send chemical signals throughout the body to regulate other body processes. hormones are chemical signals that are sent throughout the body to regulate other body processes. hormones send electrical signals throughout the body to regulate other body processes. hormones are electrical signals that are sent throughout the body to regulate other body processes.

What class of levers is shown in this image?