What is the stimulus that causes the ear to respond as sense organs?

Which organism is the producer in this food web? 7th grade question. a) arthropods b) birds c) fungi d) plants

What’s this animal (picture is tagged) and where is it most likely to live, rainforest or desert?

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