7. Contractions push the food along the gastrointestinal tract. Which two systems directly interact during this process? A muscular and digestive C digestive and circulatory B skeletal and muscular D digestive and excretory

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water

2. cheryl hears a new song on the radio every day during the week on her commute to work. surprisingly, when the song comes on at a party on saturday night, she knows most of the words without trying. describe the three ways that we use cognition to learn without reinforcement. which type of cognitive learning without reinforcement best explains how cheryl knew the song lyrics? explain your answer.