What is the term for the particles of light that provide the energy needed for photosynthesis?

The nervous system interacts with the endocrine system by a. using hormones as connections b. sending nerve impulses directly to glands c. using neuroendocrine cells as connections d. sending neurotransmitters directly to neurons

This part insulates the reaction chamber from the transfer of heat to or from the surrounding environment

Which is not a type of symmetry? a. asymmetryb. radial symmetryc. bilateral symmetryd. lateral symmetry