Why don't tertiary consumers just eat the producers to gain more energy? PLEASE SHOW EVIDENCE

Beth’s hygrometer is reading a temperature of 30 c and a relative humidity of 65%. the humidity in the air is?

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

The basic types of tissue in the human body are