Which statement is true? (1 point) Most protists only respire without oxygen.
Most protists can respire with small amounts of oxygen.
Most protists can respire with and without oxygen at will.
Most protists only respire with oxygen.

Based on anatomical similarities, to which modern animal is dr. digger’s creature most closely related?

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.

Match each symbol with its description.