Which body system communicates with all body systems and reacts to the environment?

Aseries of connections of food chain in an ecosystem is called a what

What types of energy transfers and energy transportations are involved in the domino chain reaction?

(drag each tile to the correct location.) categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. - a tentative statement used to guide scientific investigations. - makes predictions about future events. - can be tested by many independent researchers. - based on observations of natural phenomena. - a well-established, highly reliable explanation.